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USPTO Patent Rankings Data through Dec 31, 2025
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John W. Danforth — 10 Patents

DBDanforth Biomedical: 5 patents #3 of 8Top 40%
San Francisco, CA: #4,477 of 26,999 inventorsTop 20%
California: #61,378 of 386,348 inventorsTop 20%
Overall (All Time): #481,000 of 4,157,543Top 15%
10 Patents All Time
John W. Danforth has been granted 10 US patents while listed as an inventor at Danforth Biomedical. The first was granted in 1989 and the most recent in June 1994. John W. Danforth ranks #481,000 of 4,157,543 US inventors in our database (top 11.6%). Patent records list John W. Danforth in San Francisco, CA, US.

Issued Patents All Time

Showing 1–10 of 10 patents

Patent #TitleCo-InventorsDate
5318588 Radially-expandable tubular elements for use in the construction of medical devices Michael J. Horzewski, Jeff L. Kraus, Hugh R. Sharkey 1994-06-07
5273052 Guidewire with reversible contact seal for releasable securement to catheter Jeff L. Kraus, Michael J. Horzewski 1993-12-28
5201756 Radially-expandable tubular elements for use in the construction of medical devices Michael J. Horzewski, Jeff L. Kraus, Hugh R. Sharkey 1993-04-13
5192295 Angioplasty dilatation balloon catheter/guidewire system Jeff L. Kraus, Michael J. Horzewski, Hugh R. Sharkey 1993-03-09
5141494 Variable wire diameter angioplasty dilatation balloon catheter Michael J. Horzewski, Jeff L. Kraus, Robert D. Lashinski 1992-08-25
5073168 Y-adaptor and percutaneous sheath for intravascular catheters 1991-12-17
4970389 Vehicle identification system William D. Taylor 1990-11-13
4909787 Controllable flexibility catheter with eccentric stiffener 1990-03-20
4881547 Angioplasty dilitation balloon catheter 1989-11-21
4822345 Controllable flexibility catheter 1989-04-18