Inventor · disambiguated record

Edward J. Helm

Also filed as: HELM EDWARD J

2 granted patents·108 citations·filing 1974–1976

65Inventor score

Technology areasC10B

Files withKOPPERS CO INC2

Top patents by PatentIndex Score

2 records

0192US3963582AMethod and apparatus for suppressing the deposition of carbonaceous material in a coke oven batteryKOPPERS CO INC·Filed 1974·Granted Jun 15, 1976·102 cites·11 claims
0247US4061544AApparatus for providing waste gas recirculation in coke oven batteriesKOPPERS CO INC·Filed 1976·Granted Dec 6, 1977·6 cites·4 claims

Join the waitlist — get patent alerts

Get an alert when Edward J. Helm files or is granted a new patent.

We store only your email — no account needed. See our privacy policy.

Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →