Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
Home › Inventors › John J. McDevitt, Sr.
JS

John J. McDevitt, Sr. — 2 Patents

Bow, NH: #39 of 77 inventorsTop 55%
New Hampshire: #5,383 of 12,181 inventorsTop 45%
Overall (All Time): #1,709,992 of 4,157,543Top 45%
2 Patents All Time
John J. McDevitt, Sr. has been granted 2 US patents. The first was granted in 1990 and the most recent in July 1991. John J. McDevitt, Sr. ranks #1,709,992 of 4,157,543 US inventors in our database (top 41.1%). Patent records list John J. McDevitt, Sr. in Bow, NH, US.

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
5028241 Down-draft fixed bed gasifier system Cornelis A. Kooiman 1991-07-02
4929254 Down-draft fixed bed gasifier system Cornelis A. Kooiman 1990-05-29

Frequent Collaborators

Cornelis A. Kooiman2 shared

Nearby-Ranked Inventors

Leonard Mattheis2
Yiqi SHI2
Roberto DiCecco2
Haoneng Xu2
Emily Chew2
So Young Bae2
Julian Alexander Georgi2
Yoshihiro Asahara2
Assaf Ariel2