Assignee
BIRD JOHNSON CO
US·15 granted patents·408 citations·filing 1979–2000
Top patents by PatentIndex Score
15 records- 0195US4801243AAdjustable diameter screw propellerBIRD JOHNSON CO·Filed 1987·Granted Jan 31, 1989·125 cites·3 claims
- 0292US6238257B1Surface vessel with a waterjet propulsion systemBIRD JOHNSON CO·Filed 2000·Granted May 29, 2001·58 cites·10 claims
- 0384US6071156ASurface vessel with a fully submerged waterjet propulsion systemBIRD JOHNSON CO·Filed 1998·Granted Jun 6, 2000·31 cites·6 claims
- 0476US4289222AEngine-clutch control interlock systemBIRD JOHNSON CO·Filed 1979·Granted Sep 15, 1981·23 cites·3 claims
- 0572US6135831AImpeller for marine waterjet propulsion apparatusBIRD JOHNSON CO·Filed 1999·Granted Oct 24, 2000·35 cites·14 claims
- 0663US4907992AOil distribution box for a marine controllable pitch propellerBIRD JOHNSON CO·Filed 1988·Granted Mar 13, 1990·19 cites·7 claims
- 0761US5145318AFlange-mounted controllable pitch marine propellerBIRD JOHNSON CO·Filed 1991·Granted Sep 8, 1992·15 cites·15 claims
- 0859US4906213AApparatus for detecting the pitch of a marine controllable pitch propellerBIRD JOHNSON CO·Filed 1989·Granted Mar 6, 1990·21 cites·8 claims
- 0959US4810166AControllable pitch marine propellerBIRD JOHNSON CO·Filed 1987·Granted Mar 7, 1989·15 cites·1 claims
- 1052US4277945AControl system for equalizing the torques of multiple engines driving a common loadBIRD JOHNSON CO·Filed 1979·Granted Jul 14, 1981·13 cites·8 claims
- 1151US6152792ASteering and reversing apparatus for waterjet propulsion systemsBIRD JOHNSON CO·Filed 1999·Granted Nov 28, 2000·10 cites·9 claims
- 1247US5213472AInboard servo for marine controllable pitch propellersBIRD JOHNSON CO·Filed 1992·Granted May 25, 1993·13 cites·3 claims
- 1340US4872811AInboard servo for marine controllable pitch propellersBIRD JOHNSON CO·Filed 1987·Granted Oct 10, 1989·6 cites·4 claims
- 1437US5304038ABuilt-up marine propeller blade balancingBIRD JOHNSON CO·Filed 1992·Granted Apr 19, 1994·14 cites·14 claims
- 1533US4982066AMethod of rehabilitating propeller hub bodiesBIRD JOHNSON CO·Filed 1989·Granted Jan 1, 1991·10 cites·7 claims
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Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →