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

John Barr — 2 Patents

WOWorldheart: 1 patents #22 of 32Top 70%
Vergennes, VT: #46 of 133 inventorsTop 35%
Vermont: #2,199 of 4,968 inventorsTop 45%
Overall (All Time): #1,709,992 of 4,157,543Top 45%
2 Patents All Time
John Barr has been granted 2 US patents while listed as an inventor at Worldheart. The first was granted in 1992 and the most recent in February 2013. John Barr ranks #1,709,992 of 4,157,543 US inventors in our database (top 41.1%). Patent records list John Barr in Vergennes, VT, US.

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
8382830 Implantable VAD with replaceable percutaneous cable Tim Maher, Jim Lee, Ron Ness, Herb Chen, Jesse Hubbard +3 more 2013-02-26
5084594 Multiwire cable James W. Cady 1992-01-28