Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
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Charles Gresl — 42 Patents

OMOrigin Medsystems: 30 patents #3 of 96Top 4%
LULumend: 6 patents #6 of 24Top 25%
CLCovidien Lp: 2 patents #1,502 of 2,878Top 55%
ARApplied Medical Resources: 1 patents #199 of 249Top 80%
SASherwood Services Ag: 1 patents #139 of 258Top 55%
San Francisco, CA: #649 of 26,999 inventorsTop 3%
California: #10,667 of 386,348 inventorsTop 3%
Overall (All Time): #72,062 of 4,157,543Top 2%
42 Patents All Time
Charles Gresl has been granted 42 US patents while listed as an inventor at Origin Medsystems. The first was granted in 1992 and the most recent in August 2010. Charles Gresl ranks #72,062 of 4,157,543 US inventors in our database (top 1.7%). Patent records list Charles Gresl in San Francisco, CA, US.

Issued Patents All Time

Showing 1–25 of 42 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
7766823 Endoscopic inflatable retraction device, method of using, and method of making Frederic H. Moll, Albert K. Chin, Philip K. Hopper 2010-08-03 $17,942,000
7744617 Method and inflatable chamber apparatus for separating layers of tissue John P. Lunsford, Jeffrey A. Smith, Daniel T. Wallace, Albert K. Chin 2010-06-29 $14,076,000
6814696 Surgical apparatus Tenny Chang, Harry Ino, Liming Lau, John P. Lunsford, Michael Wei 2004-11-09
6800085 Methods and apparatus for treating vascular occlusions Matthew R. Selmon, Charles Milo, Robert L. Wynne, Suresh S. Pai, Kent D. Dell +2 more 2004-10-05
6746462 Methods and apparatus for treating vascular occlusions Matthew R. Selmon, Charles Milo, Robert L. Wynne, Suresh S. Pai, Kent D. Dell 2004-06-08
6673087 Elongated surgical scissors Tenny Chang, John P. Lunsford, Jon Sherman, Theodore Richardson 2004-01-06
6638247 Method and apparatus for treating vascular occlusions Matthew R. Selmon, Charles Milo, Robert L. Wynne, Suresh S. Pai, Kent D. Dell +2 more 2003-10-28
6605037 Endoscopic inflatable retraction device Frederic H. Moll, Albert K. Chin, Philip K. Hopper 2003-08-12
6599304 Methods and apparatus for treating vascular occlusions Matthew R. Selmon, Charles Milo, Robert L. Wynne, Suresh S. Pai, Kent D. Dell 2003-07-29
6508825 Apparatus for treating vascular occlusions Matthew R. Selmon, Charles Milo, Robert L. Wynne, Suresh S. Pai, Kent D. Dell +2 more 2003-01-21
6471638 Surgical apparatus Tenny Chang, Harry Ino, Liming Lau, John P. Lunsford, Michael Wei 2002-10-29
6217549 Methods and apparatus for treating vascular occlusions Matthew R. Selmon, Charles Milo, Robert L. Wynne, Suresh S. Pai, Kent D. Dell 2001-04-17
6123689 Reusable cannula with disposable seal John To, John P. Lunsford, John W. Davis, Tim Kovac, Thomas A. Kramer 2000-09-26
5993384 Vessel isolating retractor cannula and method John P. Lunsford, Albert K. Chin, John W. Davis, Tenny Chang, Jeffrey W. Baxter 1999-11-30
5925058 Method and inflatable chamber apparatus for separating layers of tissue Jeffrey A. Smith, Daniel T. Wallace, Edwin J. Hlavka, John P. Lunsford, Albert K. Chin 1999-07-20
5895353 Vessel isolating retractor cannula and method John P. Lunsford, Albert K. Chin, John W. Davis, Tenny Chang, Jeffrey W. Baxter 1999-04-20
5865728 Method of using an endoscopic inflatable lifting apparatus to create an anatomic working space Frederic H. Moll, Albert K. Chin, Philip K. Hopper 1999-02-02
5827314 Flexible lifting apparatus John P. Lunsford, Edwin J. Hlavka, Edmund J. Roschak, Daniel T. Wallace, David B. McCallum +1 more 1998-10-27
5823945 Endoscopic inflatable retraction device with additional inflatable chamber Frederic H. Moll, Albert K. Chin, Philip K. Hopper 1998-10-20
5779728 Method and inflatable chamber apparatus for separating layers of tissue John P. Lunsford, Jeffrey A. Smith, Daniel T. Wallace, Albert K. Chin 1998-07-14
5743850 Endoscopic inflatable retraction device with additional inflatable chamber Frederic H. Moll, Albert K. Chin, Philip K. Hopper 1998-04-28
5728119 Method and inflatable chamber apparatus for separating layers of tissue Jeffrey A. Smith, Daniel T. Wallace, Edwin J. Hlavka, John P. Lunsford, Albert K. Chin 1998-03-17
5681341 Flexible lifting apparatus John P. Lunsford, Edwin J. Hlavka, Edmund J. Roschak, Daniel T. Wallace, David B. McCallum +1 more 1997-10-28
5582618 Surgical cutting instrument Albert K. Chin 1996-12-10
5562603 Endoscopic inflatable retraction device with fluid-tight elastomeric window Frederic H. Moll, Albert K. Chin, Philip K. Hopper 1996-10-08