Inventor · disambiguated record
John K. Rains
Also filed as: RAINS JOHN K
3 granted patents·130 citations·filing 1980–1989
76Inventor score
Top patents by PatentIndex Score
3 records- 0175US4989787ALiquid spray gun accessoriesNIKKEL ROBERT E·Filed 1989·Granted Feb 5, 1991·52 cites·11 claims
- 0274US4550936AMarine riser coupling assemblyVETCO OFFSHORE IND INC·Filed 1983·Granted Nov 5, 1985·59 cites·19 claims
- 0349US4324422ALow torque pack-off seal assembly with retrievable lower sectionVETCO OFFSHORE IND INC·Filed 1980·Granted Apr 13, 1982·19 cites·8 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →