Inventor · disambiguated record
Melvin P. Trail
Also filed as: TRAIL MELVIN P
5 granted patents·241 citations·filing 1977–1992
85Inventor score
Technology areasB23K
Top patents by PatentIndex Score
5 records- 0192US4561059AMicroprocessor controlled welding apparatusBECKWORTH DAVIS INTERNATIONAL·Filed 1983·Granted Dec 24, 1985·74 cites·20 claims
- 0290US5149940AMethod for controlling and synchronizing a welding power supplyBECKWORTH DAVIS INTERNATIONAL·Filed 1988·Granted Sep 22, 1992·55 cites·25 claims
- 0389US5343016AMicroprocessor controlled welding apparatusTEXAS IND GAS·Filed 1992·Granted Aug 30, 1994·66 cites·6 claims
- 0478US4133470AMethod and apparatus for fabricating pipe centralizer or the likeCHROMALLOY AMERICAN CORP·Filed 1977·Granted Jan 9, 1979·26 cites·20 claims
- 0563US4821202AApparatus microprocessor controlled weldingBECKWORTH DAVIS INTERNATIONAL·Filed 1986·Granted Apr 11, 1989·20 cites·29 claims
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →