Inventor
HANSEN CRAIG N
US60 patents
⚠️ This page may combine multiple inventors who share the name “HANSEN CRAIG N”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
HANSEN ENGINE CORP
16 patentsUS5092752AMar 3, 1992
Seal assembly for a rotary device
HANSEN ENGINE CORP23 citations93
US4692104ASep 8, 1987
Rotary pumping apparatus with radial seal assemblies on piston
HANSEN ENGINE CORP34 citations93
US4667468AMay 26, 1987
Rotary internal combustion engine
HANSEN ENGINE CORP29 citations93
US4507067AMar 26, 1985
Rotary device with elliptical rotor in elliptical chamber
HANSEN ENGINE CORP39 citations93
US4494500AJan 22, 1985
Rotary valve assembly
HANSEN ENGINE CORP48 citations93
US5474036ADec 12, 1995
Internal combustion engine with rotary valve assembly having variable intake valve timing
HANSEN ENGINE CORP47 citations92
USD352041SNov 1, 1994
Air compressor
HANSEN ENGINE CORP19 citations82
US4773364ASep 27, 1988
Internal combustion engine with rotary combustion chamber
HANSEN ENGINE CORP21 citations82
US4612886ASep 23, 1986
Internal combustion engine with rotary combustion chamber
HANSEN ENGINE CORP25 citations82
US12203406B2Jan 21, 2025
Supercharged internal combustion engine
HANSEN ENGINE CORP2 citations75
US5081966AJan 21, 1992
Internal combustion engine with rotary valve assembly
HANSEN ENGINE CORP17 citations74
US4813392AMar 21, 1989
Rotary valve assembly
HANSEN ENGINE CORP10 citations74
US4782656ANov 8, 1988
Rotary valve assembly for engine
HANSEN ENGINE CORP17 citations74
US4618318AOct 21, 1986
Vane and seal assembly
HANSEN ENGINE CORP12 citations74
US4449490AMay 22, 1984
Concentric intake and exhaust valve assembly
HANSEN ENGINE CORP16 citations74
US4192348AMar 11, 1980
Fluid control unit
HANSEN ENGINE CORP14 citations74
ELECTROMED INC
12 patentsUS6676614B1Jan 13, 2004
Vest for body pulsating method and apparatus
ELECTROMED INC119 citations98
US6547749B2Apr 15, 2003
Body pulsating method and apparatus
ELECTROMED INC87 citations98
US5569170AOct 29, 1996
Pulsator
ELECTROMED INC115 citations98
US6488641B2Dec 3, 2002
Body pulsating apparatus
ELECTROMED INC59 citations96
US6605050B2Aug 12, 2003
Body pulsating jacket
ELECTROMED INC29 citations93
US7537575B2May 26, 2009
Body pulsating method and apparatus
ELECTROMED INC25 citations92
US7374550B2May 20, 2008
Respiratory vest for repetitive pressure pulses
ELECTROMED INC53 citations92
US7278978B1Oct 9, 2007
Respiratory vest with inflatable bladder
ELECTROMED INC20 citations92
USD478989SAug 26, 2003
Supine respiratory vest
ELECTROMED INC30 citations92
USD469876SFeb 4, 2003
Human respiratory bladder
ELECTROMED INC35 citations92
USD461897SAug 20, 2002
Human body respiratory vest
ELECTROMED INC36 citations92
US7770479B2Aug 10, 2010
Scotch yoke with anti-lash assembly
ELECTROMED INC5 citations74
HANSEN CRAIG N
9 patentsUS8539769B2Sep 24, 2013
Internal combustion engine and supercharger
HANSEN CRAIG N21 citations92
US7726285B1Jun 1, 2010
Diesel engine and supercharger
HANSEN CRAIG N22 citations92
US5000136AMar 19, 1991
Internal combustion engine with rotary valve assembly
HANSEN CRAIG N37 citations92
US9797299B2Oct 24, 2017
Supercharged internal combustion engine
HANSEN CRAIG N8 citations84
US8813492B2Aug 26, 2014
Internal combustion engine and supercharger
HANSEN CRAIG N13 citations84
US8740824B2Jun 3, 2014
Body pulsating method and apparatus
HANSEN CRAIG N5 citations84
USD697197SJan 7, 2014
Displacer
HANSEN CRAIG N6 citations84
USD409626SMay 11, 1999
Supercharger air-fuel accumulator
HANSEN CRAIG N7 citations74
US10016335B2Jul 10, 2018
Body pulsating apparatus and method
HANSEN CRAIG N3 citations73
(unassigned)
8 patentsUS5453081ASep 26, 1995
Pulsator
207 citations99
US6254556B1Jul 3, 2001
Repetitive pressure pulse jacket
106 citations97
USD456591SMay 7, 2002
Human body pulsating jacket
35 citations93
US6241498B1Jun 5, 2001
Rotary fluid mover
27 citations93
US6138646AOct 31, 2000
Rotary fluid mover
19 citations93
US6454552B1Sep 24, 2002
Fluid mover
7 citations74
US6223775B1May 1, 2001
Accumulator
9 citations74
US6095783AAug 1, 2000
Fluid mover
12 citations74
WOODSHED TECHNOLOGIES INC
3 patentsMINNESOTA AMERICAN INC
1 patentHASEN ENGINE CORP
1 patentShowing the top 50 of 60 patents by PatentIndex Score.