Inventor · disambiguated record
Walter A. Trumbull
Also filed as: TRUMBULL WALTER · TRUMBULL WALTER A
4 granted patents·86 citations·filing 1975–1995
79Inventor score
Top patents by PatentIndex Score
4 records- 0168US4355905AAdjustable plug seal mechanism for heat transfer zone separation in hollow screws for extrusion machinesDOW CHEMICAL CO·Filed 1980·Granted Oct 26, 1982·33 cites·12 claims
- 0258US5629028AUnderwater pelletizer having sealed heat transfer tubes embedded in extrusion dieCONAIR GROUP INC·Filed 1995·Granted May 13, 1997·22 cites·22 claims
- 0358US4360612AAgglomerate-free, bubble-free, high barrier vinylidene chloride polymer films and process of preparationDOW CHEMICAL CO·Filed 1981·Granted Nov 23, 1982·15 cites·10 claims
- 0456US3984906ASheet wrapperDOW CHEMICAL CO·Filed 1975·Granted Oct 12, 1976·16 cites·5 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →