| Patent | Date |
|---|
Three pulse, odd-even motor winding system
App 20220278580 - Gerfast; Sten R. | 2022-09-01 |
Combination motor generator with odd-numbered stator and magnet
App 20210099060 - Gerfast; Sten R. | 2021-04-01 |
Linear series of open jaw coil winding slots
App 20200076258 - Gerfast; Sten R. | 2020-03-05 |
Continuous recharging of driverless electric vehicles without human inter action.
App 20200001731 - Gerfast; Sten R. | 2020-01-02 |
Automatic charging when driving on a road having contacts
App 20190193566 - Gerfast; Sten R. | 2019-06-27 |
Selecting switching functions using screw-force, on modules having traces
Grant 10,333,235 - Gerfast | 2019-06-25 |
Anchoring System For Prosthetics
App 20180168779 - Gerfast; Sten R. ; et al. | 2018-06-21 |
Automatic, dual power, inductive and conductive charger for electric cars.
App 20170291496 - Gerfast; Sten R. ; et al. | 2017-10-12 |
Electric vehicle charger connections made by vehicle motion only
App 20170291498 - Gerfast; Sten R. ; et al. | 2017-10-12 |
Unique magnetic effect and applications
App 20160225506 - GERFAST; STEN R. | 2016-08-04 |
Brushless, ironless stator, single coil motor without laminations
Grant 9,018,819 - Gerfast April 28, 2 | 2015-04-28 |
Radio-controllable Ac-powered Motors With Several Functions
App 20140327386 - Gerfast; Sten R. | 2014-11-06 |
Inexpensive safety alerting devices for munitions and a detector for same
App 20140176330 - Gerfast; Sten R. | 2014-06-26 |
Brushless, ironless stator, single coil motor without laminations
App 20140070651 - Gerfast; Sten R. | 2014-03-13 |
Efficient circuit for brushless low cogging machine with congruent stator
Grant 8,581,539 - Gerfast November 12, 2 | 2013-11-12 |
Generator with output options and low loss windings
Grant 8,378,546 - Gerfast February 19, 2 | 2013-02-19 |
Clip-type label
Grant 8,074,325 - Gerfast December 13, 2 | 2011-12-13 |
Two terminal variable resistor
Grant 7,847,674 - Gerfast December 7, 2 | 2010-12-07 |
Efficient circuit for brushless low cogging machine with congruent stator
App 20100225260 - Gerfast; Sten R. | 2010-09-09 |
In-expensive head and upper torso restraint with u-shaped air bag
Grant 7,445,284 - Gerfast November 4, 2 | 2008-11-04 |
In-expensive head and upper torso restraint with U-shaped air bag
App 20080246264 - Gerfast; Sten R. | 2008-10-09 |
Efficient AC circuit for motor with like number of poles and magnets
App 20080116829 - Gerfast; Sten R. | 2008-05-22 |
Continuous hydrogen and alcohol generator from coal
Grant 7,371,265 - Gerfast May 13, 2 | 2008-05-13 |
Inductive device actuated by body motion
App 20070228734 - Gerfast; Sten R. | 2007-10-04 |
Two terminal variable resistor
App 20070126549 - Gerfast; Sten R. | 2007-06-07 |
Clip-type label
App 20070000099 - Gerfast; Sten R. | 2007-01-04 |
Control signals for single coil brushless motor
App 20060145638 - Gerfast; Sten R. | 2006-07-06 |
Abutting clinch-joining method
Grant 7,065,854 - Gerfast June 27, 2 | 2006-06-27 |
Internal combustion engine witouth oil
App 20060060165 - Gerfast; Sten R. | 2006-03-23 |
Single coil, direct current permanent magnet brushless motor with voltage boost
Grant 6,940,238 - Gerfast September 6, 2 | 2005-09-06 |
Generator with output options and low loss windings
App 20050127771 - Gerfast, Sten R. | 2005-06-16 |
Single coil, direct current permanent magnet brushless motor with voltage boost
App 20050122074 - Gerfast, Sten R. | 2005-06-09 |
Abutting clinch-joining method
App 20050105964 - Gerfast, Sten R. | 2005-05-19 |
Magnetic coupling using magnets on a motor rotor
App 20050099077 - Gerfast, Sten R. | 2005-05-12 |
Single coil, direct current permanent magnet brushless motor with voltage boost
Grant 6,850,019 - Gerfast February 1, 2 | 2005-02-01 |
Single Coil, Direct Current Permanent Magnet Brushless Motor With Voltage Boost
App 20040251859 - Gerfast, Sten R. | 2004-12-16 |
Fast acting, re-settable circuit breaker without moving parts
Grant 6,628,495 - Gerfast September 30, 2 | 2003-09-30 |
Fast acting, re-settable circuit breaker without moving parts
App 20030007302 - Gerfast, Sten R. | 2003-01-09 |
Drive for handling multiple size information storage media cartridges and cartridges therefor
Grant 6,220,539 - Anderson , et al. April 24, 2 | 2001-04-24 |
Drive for handling multiple size information storage media cartridges and cartridges therefor
Grant 5,558,291 - Anderson , et al. September 24, 1 | 1996-09-24 |
Mechanically incompatible magnetic recording tape cartridges having the same form factor
Grant 5,480,103 - Gerfast , et al. January 2, 1 | 1996-01-02 |
Cleaning apparatus for magnetic data tape cartridges
Grant 4,984,119 - Backlund , et al. January 8, 1 | 1991-01-08 |
Transformerless current-limiting circuit
Grant 4,929,871 - Gerfast May 29, 1 | 1990-05-29 |
Dynamoelectric machine having ironless stator coil
Grant 4,883,981 - Gerfast November 28, 1 | 1989-11-28 |
Stator or rotor based on permanent magnet segments
Grant 4,814,654 - Gerfast March 21, 1 | 1989-03-21 |
Head positioning mechanism for data cartridge recorder
Grant 4,750,067 - Gerfast June 7, 1 | 1988-06-07 |
Recording medium annealing process
Grant 4,729,805 - Alexander , et al. March 8, 1 | 1988-03-08 |
Axial fan
Grant 4,712,977 - Gerfast December 15, 1 | 1987-12-15 |
Method of making axial fan impeller
Grant 4,610,601 - Gerfast September 9, 1 | 1986-09-09 |
Magnetic hold-down for recording disc
Grant 4,581,667 - Gerfast April 8, 1 | 1986-04-08 |
Clam-shell cartridge for recording disc
Grant 4,573,096 - Gerfast February 25, 1 | 1986-02-25 |
Stretched-film optical recording disc
Grant 4,365,257 - Gerfast December 21, 1 | 1982-12-21 |
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