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

Harold E. Ingraham — 1 Patent

HEHeico: 1 patents #4 of 12Top 35%
East Stroudsburg, PA: #88 of 166 inventorsTop 55%
Pennsylvania: #43,533 of 74,527 inventorsTop 60%
Overall (All Time): #2,406,284 of 4,157,543Top 60%
1 Patents All Time
Harold E. Ingraham has been granted 1 US patent while listed as an inventor at Heico. All of these patents were granted in 1983. Harold E. Ingraham ranks #2,406,284 of 4,157,543 US inventors in our database (top 57.9%). Patent records list Harold E. Ingraham in East Stroudsburg, PA, US.

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
4378339 Ammonium thiosulfate products and methods of making the same Max R. Brinkman, William Guy Robertson 1983-03-29 $372,000