CH

Craig N. Hansen

HE Hansen Engine: 24 patents #1 of 2Top 50%
EL Electromed: 16 patents #2 of 6Top 35%
WL Woodshed Technologies Limited: 3 patents #2 of 3Top 70%
MA Minnesota American: 2 patents #1 of 4Top 25%
📍 Sioux Falls, SD: #3 of 532 inventorsTop 1%
🗺 South Dakota: #5 of 2,308 inventorsTop 1%
Overall (All Time): #37,260 of 4,157,543Top 1%
61
Patents All Time

Issued Patents All Time

Showing 26–50 of 61 patents

Patent #TitleCo-InventorsDate
6547749 Body pulsating method and apparatus 2003-04-15
D469876 Human respiratory bladder Lonnie J. Helgeson 2003-02-04
6488641 Body pulsating apparatus 2002-12-03
6454552 Fluid mover Paul C. Cross 2002-09-24
D461897 Human body respiratory vest Lonnie J. Helgeson 2002-08-20
6431847 Apparatus for compounding resin and fiber Ronald Clare Hawley, Paul C. Cross 2002-08-13
D456591 Human body pulsating jacket 2002-05-07
6254556 Repetitive pressure pulse jacket George E. McNamara 2001-07-03
6241498 Rotary fluid mover Paul C. Cross 2001-06-05
6223775 Accumulator Paul C. Cross 2001-05-01
6138646 Rotary fluid mover Paul C. Cross 2000-10-31
D432545 Supercharger Paul C. Cross 2000-10-24
6095783 Fluid mover Paul C. Cross 2000-08-01
D409626 Supercharger air-fuel accumulator Paul C. Cross 1999-05-11
5569170 Pulsator 1996-10-29
5556267 Double acting pump 1996-09-17
5474036 Internal combustion engine with rotary valve assembly having variable intake valve timing Paul C. Cross 1995-12-12
5453081 Pulsator 1995-09-26
5421646 Legless locker shelf assembly George E. McNamara 1995-06-06
D355551 Legless locker shelf assembly George E. McNamara 1995-02-21
D352041 Air compressor 1994-11-01
5092752 Seal assembly for a rotary device 1992-03-03
5081966 Internal combustion engine with rotary valve assembly Paul C. Cross 1992-01-21
5000136 Internal combustion engine with rotary valve assembly Paul C. Cross 1991-03-19
4915071 Orbit internal combustion engine 1990-04-10