Top Inventors for class "Rotary expansible chamber devices" |
Rank | Inventor's name | Country | City/State | Last publication | # of patent apps in this class |
1 | Byeongchul Lee | KR | Seoul | Sep 08, 2022 / 20220282731 - SCROLL COMPRESSOR WITH RECESSES AND PROTRUSIONS | 25 |
2 | Masanori Masuda | JP | Osaka | Aug 22, 2013 / 20130216418 - SCREW COMPRESSOR | 23 |
3 | Robert C. Stover | US | Versailles, OH | Sep 17, 2020 / 20200291943 - Climate-Control System Having Valve Assembly | 22 |
4 | Masao Akei | US | Miamisburg, OH | Dec 04, 2014 / 20140356211 - COMPRESSOR HAVING OUTPUT ADJUSTMENT ASSEMBLY | 20 |
5 | Rene Schepp | DE | Waiblingen | Jun 09, 2016 / 20160160892 - piston and piston-equipped assembly for a hydraulic unit or a piston-cylinder device of a vehicle braking system | 17 |
6 | Norbert Alaze | DE | Markgroeningen | Jun 22, 2017 / 20170175735 - Internal Gear Pump | 16 |
7 | James W. Bush | US | Skaneateles, NY | Sep 03, 2015 / 20150247500 - KEY COUPLING AND SCROLL COMPRESSOR INCORPORATING SAME | 16 |
8 | Pierre Ginies | FR | Sathonay Village | Nov 28, 2013 / 20130315768 - SCROLL REFRIGERATION COMPRESSOR | 15 |
9 | Michael M. Perevozchikov | US | Tipp City, OH | Aug 04, 2022 / 20220243762 - FOIL BEARING ASSEMBLY INCLUDING SEGMENTED INNER FOIL ASSEMBLY AND COMPRESSOR INCLUDING SAME | 15 |
10 | Kirill M. Ignatiev | US | Sidney, OH | Jul 13, 2017 / 20170198696 - COMPRESSOR COOLING SYSTEM | 14 |
11 | Ronald J. Duppert | US | Fayetteville, NY | Oct 14, 2021 / 20210317831 - TWO-PIECE SUCTION FITTING | 14 |
12 | Steven A. Heitz | US | Rockford, IL | Sep 14, 2017 / 20170260989 - FLUID FILTRATION USING SPLINES | 13 |
13 | Takeshi Ogata | JP | Osaka | Jun 15, 2017 / 20170167286 - TURBOMACHINE | 13 |
14 | Koji Saga | JP | Ebina-Shi | Apr 23, 2015 / 20150110659 - VANE PUMP | 12 |
15 | Cheolhwan Kim | KR | Seoul | Sep 08, 2022 / 20220282731 - SCROLL COMPRESSOR WITH RECESSES AND PROTRUSIONS | 12 |
16 | Roy J. Doepker | US | Lima, OH | Oct 17, 2019 / 20190316584 - Compressor Having Bushing | 12 |
17 | Hideaki Ohnishi | JP | Atsugi-Shi | Sep 10, 2015 / 20150252803 - VARIABLE DISPLACEMENT PUMP | 10 |
18 | Takashi Shimizu | JP | Osaka | Apr 23, 2015 / 20150109667 - LONG RETARDATION FILM, CIRCULARLY POLARIZING PLATE AND ORGANIC EL PANEL | 10 |
19 | Yasushi Watanabe | JP | Aiko-Gun | Sep 10, 2015 / 20150252803 - VARIABLE DISPLACEMENT PUMP | 10 |
20 | David R. Shulver | CA | Richmond Hill | Dec 24, 2015 / 20150369240 - Vane Pump With Multiple Control Chambers | 10 |
21 | Honggyun Jin | KR | Seoul | Jun 09, 2016 / 20160160859 - SEALING MEMBER, SCROLL COMPRESSOR INCLUDING A SEALING MEMBER AND METHOD FOR MANUFACTURING A SEALING MEMBER FOR A SCROLL COMPRESSOR | 10 |
22 | Kangwook Lee | KR | Seoul | Oct 21, 2021 / 20210324856 - COMPRESSOR | 10 |
23 | Shin Sekiya | JP | Tokyo | Jun 13, 2013 / 20130149178 - VANE COMPRESSOR | 10 |
24 | Hiroyuki Yamaji | JP | Osaka | Dec 02, 2021 / 20210376334 - METAL-AIR BATTERY | 10 |
25 | Mutsunori Matsunaga | JP | Shizuoka | Aug 01, 2013 / 20130195707 - Refrigerant Compressor | 10 |
26 | Natsuki Kawabata | JP | Shizuoka | May 28, 2015 / 20150147215 - Scroll-Type Fluid Machine with Grease-Lubricated Orbiting Bearing | 9 |
27 | Yoshitaka Shibamoto | JP | Osaka | Jul 28, 2011 / 20110179822 - REFRIGERATING APPARATUS | 9 |
28 | Matthew Williamson | CA | Richmond Hill | Nov 18, 2021 / 20210355942 - Dual Drive Gerotor Pump | 9 |
29 | Suchul Kim | KR | Seoul | Dec 24, 2015 / 20150369246 - SCROLL COMPRESSOR | 9 |
30 | Kazuhiro Furusho | JP | Osaka | Oct 07, 2021 / 20210309902 - REFRIGERATION CYCLE DEVICE FOR VEHICLE | 9 |
31 | Gregory W. Hahn | US | Arkadelphia, AR | Oct 11, 2012 / 20120258003 - SCROLL COMPRESSOR WITH SPRING TO ASSIST IN HOLDING SCROLL WRAPS IN CONTACT | 9 |
32 | Atsushi Sakuda | JP | Shiga | May 18, 2017 / 20170138641 - COMPRESSOR AND REFRIGERATION CYCLE DEVICE USING SAME | 9 |
33 | Takashi Morimoto | JP | Kyoto | Apr 14, 2016 / 20160102667 - SCROLL COMPRESSOR | 8 |
34 | Hajime Sato | JP | Aichi | Dec 02, 2010 / 20100303661 - SCROLL-TYPE COMPRESSOR | 8 |
35 | Kaname Ohtsuka | JP | Osaka | Apr 28, 2011 / 20110097232 - SINGLE SCREW COMPRESSOR AND A METHOD FOR PROCESSING A SCREW ROTOR | 8 |
36 | Masayuki Kakuda | JP | Tokyo | May 12, 2016 / 20160131134 - SCROLL COMPRESSOR | 8 |
37 | Mie Arai | JP | Osaka | Nov 26, 2015 / 20150337837 - SCROLL MEMBER, METHOD OF MANUFACTURING SAME, COMPRESSION MECHANISM AND SCROLL COMPRESSOR | 8 |
38 | Mikio Kajiwara | JP | Osaka | Nov 26, 2015 / 20150337837 - SCROLL MEMBER, METHOD OF MANUFACTURING SAME, COMPRESSION MECHANISM AND SCROLL COMPRESSOR | 8 |
39 | Edgar Kurz | DE | Heilbronn-Horkheim | Oct 28, 2021 / 20210331654 - Bistable Solenoid Valve for a Hydraulic Brake System, and Method for Actuating a Valve of this Type | 8 |
40 | Hiroshi Hasegawa | JP | Osaka | Nov 19, 2015 / 20150330713 - HEAT EXCHANGER AND HEAT EXCHANGING UNIT | 8 |
41 | Mohammod Anwar Hossain | JP | Osaka | Jul 04, 2013 / 20130171018 - SCREW COMPRESSOR | 8 |
42 | Paul Xiubao Huang | US | Fayetteville, GA | Mar 10, 2022 / 20220074410 - SCREW COMPRESSOR WITH A SHUNT-ENHANCED COMPRESSION AND PULSATION TRAP (SECAPT) | 8 |
43 | Merton W. Pekrul | US | Mesa, AZ | May 12, 2016 / 20160131026 - MULTI-INJECTION PORT ROTARY ENGINE APPARATUS AND METHOD OF USE THEREOF | 8 |
44 | Tsuyoshi Karino | JP | Shiga | Jun 15, 2017 / 20170167487 - ROTARY COMPRESSOR HAVING TWO CYLINDERS | 7 |
45 | Timothy P. Walgren | US | Byron, IL | Nov 27, 2014 / 20140348685 - COUPLING SHAFT FOR GEAR PUMP | 7 |
46 | Kazuhide Watanabe | JP | Aichi | Jul 14, 2022 / 20220220960 - SCROLL COMPRESSOR INCLUDING END-PLATE SIDE STEPPED PORTIONS OF EACH OF THE SCROLLS CORRESPONDING TO WALL-PORTION SIDE STEPPED PORTIONS OF EACH OF THE SCROLLS | 7 |
47 | Yoshio Kobayashi | JP | Ebina | May 28, 2015 / 20150147215 - Scroll-Type Fluid Machine with Grease-Lubricated Orbiting Bearing | 7 |
48 | Hisham Kamal | DE | Waldkraiburg | Dec 24, 2015 / 20150369241 - Screw Pump | 7 |
49 | Katsuhiro Fujita | JP | Aichi | Nov 24, 2011 / 20110286871 - SCROLL COMPRESSOR | 7 |
50 | Atsushi Unami | JP | Yokohama-Shi | May 12, 2016 / 20160131133 - SCROLL FLUID MACHINE | 7 |
51 | Yves Rosson | FR | Villars Les Dombes | Jun 07, 2018 / 20180156337 - FLUID MACHINE HAVING A LABYRINTH SEAL | 7 |
52 | Youhei Nishide | JP | Osaka | Nov 26, 2015 / 20150337839 - SCROLL COMPRESSOR WITH REDUCED UPSETTING MOMENT | 7 |
53 | Felix Arnold | DE | Neckarsteinach | Aug 29, 2013 / 20130224056 - PUMP OR MOTOR FOR LIQUID OR GASEOUS MEDIA | 7 |
54 | Sadayuki Yamada | JP | Shiga | Apr 14, 2016 / 20160102667 - SCROLL COMPRESSOR | 7 |
55 | Mark T. Holtzapple | US | College Station, TX | Jun 30, 2022 / 20220203298 - CRYOGENIC SEPARATION OF CARBON DIOXIDE, SULFUR OXIDES, AND NITROGEN OXIDES FROM FLUE GAS | 7 |
56 | Johann Kreidl | DE | Waldkraiburg | Dec 24, 2015 / 20150369241 - Screw Pump | 7 |
57 | Satoshi Yamamoto | JP | Osaka | Jun 15, 2017 / 20170170525 - NONAQUEOUS ELECTROLYTE SECONDARY BATTERY | 7 |
58 | Ken Suitou | JP | Kariya-Shi | Feb 04, 2016 / 20160032930 - ELECTRIC COMPRESSOR | 7 |
59 | Sean William Yonkers | US | Peachtree City, GA | Mar 10, 2022 / 20220074410 - SCREW COMPRESSOR WITH A SHUNT-ENHANCED COMPRESSION AND PULSATION TRAP (SECAPT) | 7 |
60 | Kiwon Park | KR | Seoul | Mar 31, 2022 / 20220096563 - COMPOSITION FOR TREATING INFLAMMATORY DISEASE INDUCED BY HYPERIMMUNE RESPONSE | 7 |
61 | Tamotsu Fujioka | JP | Yokohama-Shi | May 12, 2016 / 20160131133 - SCROLL FLUID MACHINE | 7 |
62 | Tomohisa Moro | JP | Aichi | Nov 24, 2011 / 20110286871 - SCROLL COMPRESSOR | 7 |
63 | Eugene Gekht | CA | Brossard | Dec 30, 2021 / 20210404388 - REVERSE-FLOW GAS TURBINE ENGINE | 7 |
64 | Wayne P. Beagle | US | Chittenango, NY | Jan 26, 2017 / 20170022989 - UNFASTENED THRUST PLATE | 7 |
65 | Mitsuhiko Kishikawa | JP | Osaka | Nov 26, 2015 / 20150337837 - SCROLL MEMBER, METHOD OF MANUFACTURING SAME, COMPRESSION MECHANISM AND SCROLL COMPRESSOR | 7 |
66 | Ian David Stones | GB | Burgess Hill | Jul 28, 2022 / 20220235779 - VARIABLE INLET CONDUCTANCE VACUUM PUMP, VACUUM PUMP ARRANGEMENT AND METHOD | 6 |
67 | Cezar Tanasuca | CA | Richmond Hill | Dec 24, 2015 / 20150369240 - Vane Pump With Multiple Control Chambers | 6 |
68 | Nozomi Gotou | JP | Osaka | Apr 26, 2012 / 20120100028 - SCREW COMPRESSOR | 6 |
69 | Hideaki Maeyama | JP | Tokyo | Jul 23, 2015 / 20150204599 - REFRIGERATION CYCLE DEVICE | 6 |
70 | Yoshiyuki Kimata | JP | Aichi | Dec 02, 2010 / 20100303661 - SCROLL-TYPE COMPRESSOR | 6 |
71 | Patrice Bonnefoi | FR | Saint Didier Au Mont D'Or | Jun 07, 2018 / 20180156337 - FLUID MACHINE HAVING A LABYRINTH SEAL | 6 |
72 | David Deloyd Anderson | US | Glenville, NY | Dec 01, 2011 / 20110293441 - MULTIPHASE PUMP FLOW RECIRCULATION SYSTEM | 6 |
73 | Toshihide Koda | JP | Tokyo | Apr 03, 2014 / 20140090409 - AIR-CONDITIONING APPARATUS | 6 |
74 | Fumihiko Ishizono | JP | Tokyo | Jan 13, 2022 / 20220010797 - SCROLL COMPRESSOR | 6 |
75 | Christophe Ancel | FR | Villefranche Sur Saone | Nov 14, 2013 / 20130302197 - SCROLL REFRIGERATION COMPRESSOR | 6 |
76 | Yu Shiotani | JP | Osaka | Jun 15, 2017 / 20170167487 - ROTARY COMPRESSOR HAVING TWO CYLINDERS | 6 |
77 | Robert Kurz | DE | Aschheim | Dec 24, 2015 / 20150369241 - Screw Pump | 6 |
78 | Sanghun Seong | KR | Seoul | Oct 17, 2019 / 20190316587 - MOTOR-OPERATED COMPRESSOR | 6 |
79 | Makoto Takeuchi | JP | Aichi | Jun 07, 2012 / 20120138163 - Exhaust Passage Component | 6 |
80 | Jerry Allen Rood | US | Onalaska, WI | Feb 05, 2015 / 20150037192 - SCROLL COMPRESSOR WITH PRESSURIZED OIL BALANCE PISTON | 6 |
81 | Hans Christian Petersen | DK | Nordborg | May 19, 2016 / 20160138398 - HYDRAULIC VANE-TYPE MACHINE | 6 |
82 | Yusuke Imai | JP | Shiga | Apr 14, 2016 / 20160102667 - SCROLL COMPRESSOR | 6 |
83 | Josef Strassl | DE | Straubing | Dec 24, 2015 / 20150369241 - Screw Pump | 6 |
84 | Inho Won | KR | Seoul | Feb 11, 2016 / 20160040667 - SCROLL COMPRESSOR | 6 |
85 | Satish Shantilal Shah | US | Rockford, IL | Nov 27, 2014 / 20140348685 - COUPLING SHAFT FOR GEAR PUMP | 6 |
86 | Shimao Ni | US | Bolingbrook, IL | May 22, 2014 / 20140140877 - SCROLL-TYPE VOLUME DISPLACEMENT APPARATUS WITH AN ORBITING THRUST BEARING | 6 |
87 | Scott Joseph Smerud | US | La Crosse, WI | Feb 05, 2015 / 20150037192 - SCROLL COMPRESSOR WITH PRESSURIZED OIL BALANCE PISTON | 6 |
88 | Masato Izutsu | JP | Isesaki-Shi | Feb 04, 2016 / 20160032923 - OIL PUMP | 6 |
89 | Dominique Gross | FR | Jassans Riottier | Nov 28, 2013 / 20130315768 - SCROLL REFRIGERATION COMPRESSOR | 6 |
90 | George A. Rabroker | US | College Station, TX | May 19, 2016 / 20160138590 - GEROTOR APPARATUS HAVING OUTER GEROTOR WITH STRENGHTHENING MEMBERS | 6 |
91 | Takayuki Kuwahara | JP | Aichi | Nov 24, 2011 / 20110286871 - SCROLL COMPRESSOR | 6 |
92 | Shinya Yamamoto | JP | Kariya-Shi | Mar 10, 2016 / 20160069334 - VARIABLE DISPLACEMENT SWASH PLATE TYPE COMPRESSOR | 6 |
93 | Yasuhiro Murakami | JP | Osaka | Nov 26, 2015 / 20150337837 - SCROLL MEMBER, METHOD OF MANUFACTURING SAME, COMPRESSION MECHANISM AND SCROLL COMPRESSOR | 6 |
94 | Takazo Sotojima | JP | Osaka | Dec 23, 2010 / 20100322809 - FLUID MACHINERY | 6 |
95 | Willi Schneider | DE | Bodelshausen | May 14, 2015 / 20150132169 - POSTIVE DISPLACEMENT PUMP | 6 |
96 | Bruce A. Fraser | US | Manlius, NY | Jun 08, 2017 / 20170159976 - CASCADING OIL DISTRIBUTION SYSTEM | 6 |
97 | Brandon T. Kovach | US | Rockford, IL | May 05, 2016 / 20160123390 - GEAR PUMP BEARINGS WITH HYBRID PADS | 6 |
98 | Tomoyuki Fujita | JP | Kani-Shi | Feb 26, 2015 / 20150056090 - VARIABLE CAPACITY TYPE VANE PUMP | 5 |
99 | Satoshi Nakamura | JP | Shizuoka | Apr 05, 2012 / 20120082578 - SCROLL COMPRESSOR | 5 |
100 | Gregory T. Kemp | US | Alpharetta, GA | Dec 27, 2018 / 20180371913 - Rotor and Vane with Insert | 5 |