Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
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Stephen P. Perkins — 2 Patents

WEWormser Engineering: 2 patents #2 of 3Top 70%
Rowley, MA: #33 of 70 inventorsTop 50%
Massachusetts: #42,563 of 88,656 inventorsTop 50%
Overall (All Time): #1,709,992 of 4,157,543Top 45%
2 Patents All Time
Stephen P. Perkins has been granted 2 US patents while listed as an inventor at Wormser Engineering. All of these patents were granted in 1981. Stephen P. Perkins ranks #1,709,992 of 4,157,543 US inventors in our database (top 41.1%). Patent records list Stephen P. Perkins in Rowley, MA, US.

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
4303023 Fluidized bed fuel burning Alex Wormser 1981-12-01
4279205 Storage Alex Wormser 1981-07-21