Inventor · disambiguated record
Calvin C. Williamson
Also filed as: WILLIAMSON CALVIN C
12 granted patents·277 citations·filing 1973–1994
92Inventor score
Top patents by PatentIndex Score
12 records- 0191US4577796AMethod and apparatus for tracking seam welds on pipes and the likeKAISER STEEL CORP·Filed 1984·Granted Mar 25, 1986·75 cites·9 claims
- 0290US4430913ACut-off and face machineKAISER STEEL CORP·Filed 1982·Granted Feb 14, 1984·52 cites·19 claims
- 0388US4706488AMethod of roll forming cylindrical pipeKAISER STEEL CORP·Filed 1985·Granted Nov 17, 1987·38 cites·6 claims
- 0469US4398629APlate latch and guide systemKAISER STEEL CORP·Filed 1982·Granted Aug 16, 1983·17 cites·11 claims
- 0569US4000771AMethod of and apparatus for continuous castingWILLIAMSON CALVIN C·Filed 1973·Granted Jan 4, 1977·21 cites·12 claims
- 0652US4628721AMethod of roll forming cylindrical pipeKAISER STEEL CORP·Filed 1985·Granted Dec 16, 1986·11 cites·3 claims
- 0752US4606208APipe forming apparatusKAISER STEEL CORP·Filed 1984·Granted Aug 19, 1986·10 cites·14 claims
- 0851US4476703AEdge preforming of metal plateKAISER STEEL DELAWARE INC·Filed 1984·Granted Oct 16, 1984·10 cites·9 claims
- 0948US4799697AApparatus for manually moving loadsWILLIAMSON CALVIN C·Filed 1986·Granted Jan 24, 1989·15 cites·14 claims
- 1046US4445357APipe pressKAISER STEEL CORP·Filed 1980·Granted May 1, 1984·13 cites·12 claims
- 1145US4353235AEdge preforming of metal plateKAISER STEEL CORP·Filed 1980·Granted Oct 12, 1982·7 cites·9 claims
- 1228US5487299AApparatus and method for destructive testing of coupons formed from metalNAPA PIPE CORP·Filed 1994·Granted Jan 30, 1996·8 cites·24 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →