Inventor
HANSEN JOHN C
US40 patents
⚠️ This page may combine multiple inventors who share the name “HANSEN JOHN C”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
MINNESOTA MINING & MFG
12 patentsUS5159105AOct 27, 1992
Higher pentafluorosulfanyl-fluoroaliphatic carbonyl and sulfonyl fluorides, and derivatives
MINNESOTA MINING & MFG25 citations93
US5104034AApr 14, 1992
Perfluoro-n,n,n',n-tetrapropyldiaminopropane and use thereof in vapor phase heating
MINNESOTA MINING & MFG25 citations93
US4788339ANov 29, 1988
Perfluoroaminoethers
MINNESOTA MINING & MFG44 citations93
US5573654ANov 12, 1996
Process for making hexafluoropropane and perfluoropropane
MINNESOTA MINING & MFG23 citations92
US4739103AApr 19, 1988
Perfluorocycloalkane carbonyl fluorides and their derivatives
MINNESOTA MINING & MFG22 citations82
US5474657ADec 12, 1995
Preparation of F-alkyl F-isobutyl ethers by electrochemical fluorination
MINNESOTA MINING & MFG8 citations74
US5286352AFeb 15, 1994
Electrochemical production of higher pentafluorosulfonyl acid fluorides
MINNESOTA MINING & MFG6 citations74
US5049670ASep 17, 1991
Perfluoroaminoethers
MINNESOTA MINING & MFG8 citations74
US5318674AJun 7, 1994
Process for preparing perfluoroalkanesulfonyl fluorides
MINNESOTA MINING & MFG16 citations70
US5756000AMay 26, 1998
Perfluoro(alkoxycycloalkane)carbonyl fluoride compositions and their use
MINNESOTA MINING & MFG3 citations62
US5427656AJun 27, 1995
Process for preparing branched perfluorochemicals
MINNESOTA MINING & MFG5 citations60
US5486271AJan 23, 1996
Process for preparing perfluoroalkanesulfonyl fluorides
MINNESOTA MINING & MFG2 citations54
JOHNSON CONTROLS TECH CO
6 patentsUS8353174B1Jan 15, 2013
Control method for vapor compression system
JOHNSON CONTROLS TECH CO5 citations82
US8820105B2Sep 2, 2014
Medium voltage power controller
JOHNSON CONTROLS TECH CO4 citations73
US10707800B2Jul 7, 2020
Multi-pulse constant voltage transformer for a variable speed drive in chiller applications
JOHNSON CONTROLS TECH CO3 citations72
US11480373B2Oct 25, 2022
Variable speed drive control for chiller coast-through
JOHNSON CONTROLS TECH CO0 citations56
US10075117B2Sep 11, 2018
Multi-pulse constant voltage transformer for a variable speed drive in chiller applications
JOHNSON CONTROLS TECH CO1 citations51
US10337781B2Jul 2, 2019
Variable speed drive control for chiller coast-through
JOHNSON CONTROLS TECH CO0 citations45
HANSEN JOHN C
3 patentsUS4653280AMar 31, 1987
Diagnostic system for detecting faulty sensors in a refrigeration system
HANSEN JOHN C171 citations96
US4660386AApr 28, 1987
Diagnostic system for detecting faulty sensors in liquid chiller air conditioning system
HANSEN JOHN C133 citations94
US4586865AMay 6, 1986
Rotatable discharge conveyor for a belly-dump trailer
HANSEN JOHN C11 citations73