Inventor · disambiguated record
Bertram L. Morrison
Also filed as: MORRISON BERTRAM L
11 granted patents·445 citations·filing 1975–1987
93Inventor score
Top patents by PatentIndex Score
11 records- 0197US4163544ATwo piece composite valve seal ring constructionACF IND INC·Filed 1977·Granted Aug 7, 1979·80 cites·8 claims
- 0297US4068821AValve seat ring having a corner groove to receive an elastic seal ringACF IND INC·Filed 1976·Granted Jan 17, 1978·112 cites·6 claims
- 0389US4135546AStem packing assembly for gate valves and means for removalACF IND INC·Filed 1977·Granted Jan 23, 1979·46 cites·8 claims
- 0486US4709725AMetal-to-metal seal structureVETCO GRAY INC·Filed 1987·Granted Dec 1, 1987·47 cites·22 claims
- 0581US4177833AValves having a pressure equalizer across dual face sealsACF IND INC·Filed 1978·Granted Dec 11, 1979·34 cites·10 claims
- 0679US4034959AValve seal retaining meansACF IND INC·Filed 1975·Granted Jul 12, 1977·27 cites·16 claims
- 0777US4273309AValve mechanism incorporating universal seat springACF IND INC·Filed 1979·Granted Jun 16, 1981·28 cites·17 claims
- 0874US4098490AValve body-bonnet jointACF IND INC·Filed 1977·Granted Jul 4, 1978·26 cites·8 claims
- 0963US4067542AValve seat construction having a resilient member around the perimeter of the seat memberACF IND INC·Filed 1977·Granted Jan 10, 1978·19 cites·9 claims
- 1059US4247080ASeal assembly for valvesACF IND INC·Filed 1978·Granted Jan 27, 1981·16 cites·10 claims
- 1151US4081891AMethod of making a valveACF IND INC·Filed 1977·Granted Apr 4, 1978·10 cites·1 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →