RD

Roy J. Doepker

ET Emerson Climate Technologies: 46 patents #5 of 353Top 2%
CL Copeland Lp: 9 patents #22 of 233Top 10%
WE Westinghouse Electric: 1 patents #2,483 of 5,139Top 50%
📍 Lima, OH: #3 of 125 inventorsTop 3%
🗺 Ohio: #592 of 73,341 inventorsTop 1%
Overall (All Time): #44,467 of 4,157,543Top 2%
56
Patents All Time

Issued Patents All Time

Showing 26–50 of 56 patents

Patent #TitleCo-InventorsDate
9790940 Variable volume ratio compressor Michael M. Perevozchikov 2017-10-17
9777730 Scroll compressor with variable volume ratio port in orbiting scroll Michael M. Perevozchikov, Robert C. Stover 2017-10-03
9739277 Capacity-modulated scroll compressor 2017-08-22
9494157 Compressor with capacity modulation and variable volume ratio 2016-11-15
9435340 Scroll compressor with variable volume ratio port in orbiting scroll Michael M. Perevozchikov, Robert C. Stover 2016-09-06
9404499 Dual chamber discharge muffler Stephen M. Seibel, Christopher Stover 2016-08-02
9366462 Compressor assembly with directed suction Michael M. Perevozchikov, Matthew Thomas Piscopo, Eric P. Cavender, Brian L. Reid, Kevin J. Gehret +1 more 2016-06-14
9303642 Compressor having capacity modulation assembly Masao Akei 2016-04-05
9249802 Compressor Michael M. Perevozchikov 2016-02-02
9217434 Compressor having drive shaft with fluid passages YanChun Han, Ruimin Zheng, Michael M. Perevozchikov 2015-12-22
9127677 Compressor with capacity modulation and variable volume ratio 2015-09-08
8932036 Compressor seal assembly Kenneth J. Monnier, Dennis D. Pax 2015-01-13
8585382 Compressor having capacity modulation assembly Masao Akei 2013-11-19
8517703 Compressor including valve assembly 2013-08-27
8505331 Flash tank design and control for heat pumps Hung M. Pham, Jean-Luc M. Caillat, Ronald L. Van Hoose 2013-08-13
7988433 Compressor having capacity modulation assembly Masao Akei, Keith J. Reinhart 2011-08-02
7771178 Vapor injection system for a scroll compressor Michael M. Perevozchikov 2010-08-10
RE40554 Capacity modulated scroll machine having one or more pin members movably disposed for restricting the radius of the orbiting scroll member Mark Bass, Jean-Luc M. Caillat, Wayne R. Warner 2008-10-28
7435067 Scroll machine with brushless permanent magnet motor John P. Elson, William E Ramey 2008-10-14
RE40400 Capacity modulated scroll machine Mark Bass, Jean-Luc M. Caillat, Wayne R. Warner 2008-06-24
RE40344 Scroll machine with ported orbiting scroll member Michael M. Perevozchikov 2008-05-27
RE40257 Compressor pulse width modulation Mark Bass, James F. Fogt, Jeffrey A. Huddleston 2008-04-22
6655172 Scroll compressor with vapor injection Michael M. Perevozchikov 2003-12-02
6350111 Scroll machine with ported orbiting scroll member Michael M. Perevozchikov 2002-02-26
6213731 Compressor pulse width modulation Mark Bass, James F. Fogt, Jeffrey A. Huddleston 2001-04-10