Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
MF

Mark B. Friedman — 23 Patents

PPPerfect Pushup: 10 patents #2 of 11Top 20%
CUCarnegie Mellon University: 2 patents #334 of 1,507Top 25%
Pittsburgh, PA: #251 of 7,570 inventorsTop 4%
Pennsylvania: #2,808 of 74,527 inventorsTop 4%
Overall (All Time): #178,160 of 4,157,543Top 5%
23 Patents All Time
Mark B. Friedman has been granted 23 US patents while listed as an inventor at Perfect Pushup. The first was granted in 1987 and the most recent in May 2022. Mark B. Friedman ranks #178,160 of 4,157,543 US inventors in our database (top 4.3%). Patent records list Mark B. Friedman in Pittsburgh, PA, US.

Issued Patents All Time

Showing 1–23 of 23 patents

Patent #TitleCo-InventorsDate
11317852 Medical device for diagnosing pressure ulcers Sanna Gaspard, Mel Siegel, Todd M. Przybycien, James F. Antaki, David M. Brienza 2022-05-03
8116838 Medical device for diagnosing pressure ulcers Sanna Gaspard, Mel Siegel, Todd M. Przybycien, James F. Antaki, David M. Brienza 2012-02-14
D626187 Exercise assembly Alden M. Mills, Stephen G. Hauser 2010-10-26
D599417 Push-up exercise device Alden M. Mills, John Holland, Kevan Hollenback, Stephen G. Hauser 2009-09-01
7566292 Handle assembly for use with an exercise bar Stephen G. Hauser, Alden M. Mills 2009-07-28
D597153 Push-up exercise device Alden M. Mills, John Holland, Kevan Hollenback 2009-07-28
7553267 Push-up exercise unit and device Stephen G. Hauser, Alden M. Mills 2009-06-30
7540831 Pullup exercise assembly with rotatable handles and pivotable bar Stephen G. Hauser, Alden M. Mills 2009-06-02
D587767 Handle for pullup exercise bar Stephen G. Hauser, Alden M. Mills 2009-03-03
D587612 Counting device for a push-up exercise Alden M. Mills, John Holland, Kevan Hollenback, Stephen G. Hauser 2009-03-03
7468025 Push-up exercise unit and device Stephen G. Hauser, Alden M. Mills 2008-12-23
D579503 Push-up exercise device Stephen G. Hauser, Alden M. Mills 2008-10-28
7238147 Exercise device with removable weight Alden M. Mills, Stephen G. Hauser, William Patrick Conley, Rodger Thomason 2007-07-03
D532465 Exercise device with removable weight Alden M. Mills, Stephen G. Hauser, William Patrick Conley, Rodger Thomason 2006-11-21
6774800 Patient incontinence monitoring apparatus and method of use thereof Randall W. Casciola 2004-08-10
6753783 Patient positioning monitoring apparatus and method of use thereof Randall W. Casciola 2004-06-22
6129686 Patient position monitor 2000-10-10
5941836 Patient position monitor 1999-08-24
5032083 Computerized vocational task guidance system 1991-07-16
4935907 Electronic homing system 1990-06-19
4891630 Computer vision system with improved object orientation technique Gary J. Kiliany 1990-01-02
4748502 Computer vision system based upon solid state image sensor Gary J. Kiliany 1988-05-31
4648052 Eye-tracker communication system Gary J. Kiliany, Mark R. Dzmura 1987-03-03