Inventor · disambiguated record
Gerald R. Crawford
Also filed as: CRAWFORD GERALD R
3 granted patents·43 citations·filing 1982–1990
70Inventor score
Files withINT PIPE MACHINERY CORP3
Top patents by PatentIndex Score
3 records- 0164US5080571APackerhead assemblyINT PIPE MACHINERY CORP·Filed 1990·Granted Jan 14, 1992·20 cites·4 claims
- 0262US4540539AMethod and apparatus for production of concrete pipe by the packerhead methodINT PIPE MACHINERY CORP·Filed 1982·Granted Sep 10, 1985·21 cites·8 claims
- 0326US5215604ALong-wear packerhead segmentINT PIPE MACHINERY CORP·Filed 1990·Granted Jun 1, 1993·2 cites·2 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →