OB

Orville J. Birkestrand

UN Unknown: 2 patents #12,644 of 83,584Top 20%
📍 Davenport, IA: #9 of 349 inventorsTop 3%
🗺 Iowa: #518 of 15,303 inventorsTop 4%
Overall (All Time): #188,954 of 4,157,543Top 5%
22
Patents All Time

Issued Patents All Time

Showing 1–22 of 22 patents

Patent #TitleCo-InventorsDate
12258934 Open and closed cycle lift force turbines 2025-03-25
11781521 Toroidal lift force engine 2023-10-10
11384734 Wind turbine 2022-07-12
9816384 Power generation apparatus 2017-11-14
9816383 Power generation apparatus 2017-11-14
7989973 Fluid-responsive oscillation power generation method and apparatus 2011-08-02
6690127 Electronic throttle/brake control system for motorized wheel hub William A. Peterson, Jr. 2004-02-10
6355996 Modular motorized electric wheel hub assembly for bicycles and the like 2002-03-12
6342769 Electronic throttle/brake control system for monitorized wheel hub William A. Peterson, Jr. 2002-01-29
6244399 Collapsible hard case 2001-06-12
6144125 Contactless electronic control system for modular motorized wheel hub Gary William Box, Erland K. Persson 2000-11-07
6100615 Modular motorized electric wheel hub assembly for bicycles and the like 2000-08-08
D428596 Combined portable battery charger or inverter and support bracket 2000-07-25
D424513 Controllable battery pack 2000-05-09
5845593 Man and wind powered aquatic vehicle 1998-12-08
5623858 Production end finishing machine for tube and bar stock 1997-04-29
5197362 Tube and rod end shaping and finishing machine 1993-03-30
5069094 Tube end finishing machine 1991-12-03
4776248 Machine for cutting pipe, tubing or the like with cutter plane adjustment 1988-10-11
4739682 Tube end finishing machine 1988-04-26
4279181 Tool control head for pipe and tubing cutting machine 1981-07-21
4210008 Machine for pinch rolling, deburring and the like 1980-07-01