Inventor · disambiguated record
Roger O. Bjerk
Also filed as: BJERK ROGER O · BJERK ROGER ODELL
8 granted patents·99 citations·filing 1975–1976
86Inventor score
Files withCATERPILLAR TRACTOR CO8
Top patents by PatentIndex Score
8 records- 0185US4042085AFriction couplingCATERPILLAR TRACTOR CO·Filed 1976·Granted Aug 16, 1977·35 cites·9 claims
- 0270US3971603AThrust bearing lubricationCATERPILLAR TRACTOR CO·Filed 1975·Granted Jul 27, 1976·12 cites·11 claims
- 0359US4051100AFluoroelastomer-based composite materialCATERPILLAR TRACTOR CO·Filed 1975·Granted Sep 27, 1977·15 cites·3 claims
- 0459US4045402AFluoroelastomer-polyacrylate based friction materialCATERPILLAR TRACTOR CO·Filed 1975·Granted Aug 30, 1977·15 cites·5 claims
- 0547US4053162ADynamic air bearing seal - radially and axially stabilizedCATERPILLAR TRACTOR CO·Filed 1976·Granted Oct 11, 1977·10 cites·9 claims
- 0643US4013298ADynamic air bearing seal for engine crankshaftCATERPILLAR TRACTOR CO·Filed 1976·Granted Mar 22, 1977·8 cites·10 claims
- 0741US3989425AUnitized seal biasing spring assembly for rotary mechanismsCATERPILLAR TRACTOR CO·Filed 1975·Granted Nov 2, 1976·4 cites·3 claims
- 0829US4005950ABearings for slant axis rotary mechanismsCATERPILLAR TRACTOR CO·Filed 1975·Granted Feb 1, 1977·0 cites·3 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →