Inventor · disambiguated record
John W. Haswell
Also filed as: HASWELL JOHN W
7 granted patents·135 citations·filing 1975–1979
85Inventor score
Top patents by PatentIndex Score
7 records- 0186US3953995AMeans for making double groove pulleysHASWELL JOHN W·Filed 1975·Granted May 4, 1976·61 cites·8 claims
- 0281US4040501ALift truckHASWELL JOHN W·Filed 1976·Granted Aug 9, 1977·30 cites·2 claims
- 0373US4144732AMethod and apparatus for forming one-piece pulleysMASTER CRAFT ENGINEERING INC·Filed 1977·Granted Mar 20, 1979·25 cites·7 claims
- 0454US4055977AMethod and apparatus for making double groove pulleysHASWELL JOHN W·Filed 1977·Granted Nov 1, 1977·13 cites·8 claims
- 0546USD245076SSelf propelled craneMASTER CRAFT ENG INC·Filed 1976·Granted Jul 19, 1977·4 cites·1 claims
- 0641USD276757SLift truckHASWELL JOHN W·Filed 1979·Granted Dec 11, 1984·2 cites·1 claims
- 0727USD247288SLift truckMASTER CRAFT ENG INC·Filed 1976·Granted Feb 21, 1978·0 cites·1 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →