Inventor · disambiguated record
John R. Froehler
Also filed as: FROEHLER JOHN · FROEHLER JOHN R
4 granted patents·216 citations·filing 1977–1986
82Inventor score
Files withDRAFT SYSTEMS4
Top patents by PatentIndex Score
4 records- 0193US4674756AStructurally supported elastomer sealing elementDRAFT SYSTEMS·Filed 1986·Granted Jun 23, 1987·71 cites·7 claims
- 0286US4736926AValve assembly and coupler thereforDRAFT SYSTEMS·Filed 1986·Granted Apr 12, 1988·56 cites·4 claims
- 0386US4219040ARupture disc safety valveDRAFT SYSTEMS·Filed 1978·Granted Aug 26, 1980·43 cites·9 claims
- 0481US4159102ALocking mechanism for coupler and valve assemblyDRAFT SYSTEMS·Filed 1977·Granted Jun 26, 1979·46 cites·35 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →