Individual holder
BIRKESTRAND ORVILLE J
15 granted patents·1 pending application·298 citations·filing 1976–2024
Individually held — no corporate assignee on record.
Top patents by PatentIndex Score
16 records- 0196US6144125AContactless electronic control system for modular motorized wheel hubBIRKESTRAND ORVILLE J·Filed 1999·Granted Nov 7, 2000·108 cites·28 claims
- 0295US7989973B2Fluid-responsive oscillation power generation method and apparatusBIRKESTRAND ORVILLE J·Filed 2007·Granted Aug 2, 2011·33 cites·34 claims
- 0392US9816384B2Power generation apparatusBIRKESTRAND ORVILLE J·Filed 2013·Granted Nov 14, 2017·11 cites·18 claims
- 0490US11384734B1Wind turbineBIRKESTRAND ORVILLE J·Filed 2017·Granted Jul 12, 2022·5 cites·10 claims
- 0585US4739682ATube end finishing machineBIRKESTRAND ORVILLE J·Filed 1986·Granted Apr 26, 1988·45 cites·15 claims
- 0683US9816383B2Power generation apparatusBIRKESTRAND ORVILLE J·Filed 2012·Granted Nov 14, 2017·7 cites·18 claims
- 0774US12258934B2Open and closed cycle lift force turbinesBIRKESTRAND ORVILLE J·Filed 2023·Granted Mar 25, 2025·0 cites·24 claims
- 0872US4072073AMachine for cutting pipe and tubingBIRKESTRAND ORVILLE J·Filed 1976·Granted Feb 7, 1978·22 cites·6 claims
- 0966USD428596SCombined portable battery charger or inverter and support bracketBIRKESTRAND ORVILLE J·Filed 1999·Granted Jul 25, 2000·13 cites·1 claims
- 1064US11781521B2Toroidal lift force engineBIRKESTRAND ORVILLE J·Filed 2021·Granted Oct 10, 2023·0 cites·23 claims
- 1161US2024360839A1Closed cycle lift force turbineBIRKESTRAND ORVILLE J·Filed 2024·Application pending·0 cites
- 1253US4279181ATool control head for pipe and tubing cutting machineBIRKESTRAND ORVILLE J·Filed 1979·Granted Jul 21, 1981·11 cites·8 claims
- 1351US5197362ATube and rod end shaping and finishing machineBIRKESTRAND ORVILLE J·Filed 1990·Granted Mar 30, 1993·14 cites·3 claims
- 1449US5069094ATube end finishing machineBIRKESTRAND ORVILLE J·Filed 1987·Granted Dec 3, 1991·11 cites·13 claims
- 1549US4776248AMachine for cutting pipe, tubing or the like with cutter plane adjustmentBIRKESTRAND ORVILLE J·Filed 1986·Granted Oct 11, 1988·11 cites·4 claims
- 1648US4210008AMachine for pinch rolling, deburring and the likeBIRKESTRAND ORVILLE J·Filed 1978·Granted Jul 1, 1980·7 cites·5 claims
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Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →