Inventor · disambiguated record
Keith Gustafson
Also filed as: GUSTAFSON KEITH · GUSTAFSON KEITH W
26 granted patents·2 pending applications·1,355 citations·filing 1982–2025
97Inventor score
Files withMINNESOTA VALLEY ENG11CHART INC5GUSTAFSON KEITH W5MVE BIOLOGICAL SOLUTIONS US LLC3GUSTAFSON KEITH2
Top patents by PatentIndex Score
28 records- 0198US6354088B1System and method for dispensing cryogenic liquidsCHART INC·Filed 2000·Granted Mar 12, 2002·162 cites·29 claims
- 0294US5163409AVehicle mounted LNG delivery systemMINNESOTA VALLEY ENG·Filed 1992·Granted Nov 17, 1992·75 cites·12 claims
- 0393US9746132B2Self-saturating liquefied natural gas delivery system utilizing hydraulic pressureCHART INC·Filed 2012·Granted Aug 29, 2017·16 cites·4 claims
- 0493US5373702ALNG delivery systemMINNESOTA VALLEY ENG·Filed 1993·Granted Dec 20, 1994·109 cites·3 claims
- 0592US6698211B2Natural gas fuel storage and supply system for vehiclesCHART INC·Filed 2002·Granted Mar 2, 2004·54 cites·19 claims
- 0692US5421162ALNG delivery systemMINNESOTA VALLEY ENG·Filed 1994·Granted Jun 6, 1995·93 cites·24 claims
- 0791US5228295ANo loss fueling station for liquid natural gas vehiclesMINNESOTA VALLEY ENG·Filed 1991·Granted Jul 20, 1993·92 cites·26 claims
- 0891US4491347ACryogenic connectorMINNESOTA VALLEY ENG·Filed 1982·Granted Jan 1, 1985·68 cites·7 claims
- 0990US4956975AShutoff valve for cryogenic liquid storage tankGUSTAFSON KEITH W·Filed 1989·Granted Sep 18, 1990·58 cites·3 claims
- 1089US5421161AStorage system for cryogenic fluidsMINNESOTA VALLEY ENG·Filed 1993·Granted Jun 6, 1995·54 cites·14 claims
- 1189US4608831ASelf-pressurizing container for cryogenic fluidsGUSTAFSON KEITH W·Filed 1984·Granted Sep 2, 1986·47 cites·7 claims
- 1287US5537824ANo loss fueling system for natural gas powered vehiclesMINNESOTA VALLEY ENG·Filed 1994·Granted Jul 23, 1996·57 cites·24 claims
- 1387US5421160ANo loss fueling system for natural gas powered vehiclesMINNESOTA VALLEY ENG·Filed 1993·Granted Jun 6, 1995·58 cites·18 claims
- 1487US5011700ASyrup delivery system for carbonated beveragesGUSTAFSON KEITH W·Filed 1989·Granted Apr 30, 1991·79 cites·9 claims
- 1586US6128908ACryogenic liquid storage tank with integral ullage tankMVE INC·Filed 1998·Granted Oct 10, 2000·54 cites·20 claims
- 1686US5404918ACryogenic liquid storage tankMINNESOTA VALLEY ENG·Filed 1993·Granted Apr 11, 1995·61 cites·7 claims
- 1785US4625753AContainer for receiving, storing, and dispensing cryogenic fluidsGUSTAFSON KEITH W·Filed 1985·Granted Dec 2, 1986·46 cites·2 claims
- 1884US6393847B1Liquid cryogen freezerCHART INC·Filed 2001·Granted May 28, 2002·36 cites·11 claims
- 1977US2025264264A1Cryogenic freezerMVE BIOLOGICAL SOLUTIONS US LLC·Filed 2025·Application pending·0 cites
- 2076US9903534B2Cryogenic liquid delivery system and method with active pressure building capabilitiesCHART INC·Filed 2013·Granted Feb 27, 2018·3 cites·40 claims
- 2176US5365692AMethod and apparatus for exterminating pestsKGK ECOSYSTEMS INC·Filed 1993·Granted Nov 22, 1994·42 cites·17 claims
- 2274US5228585AVariable capacity vehicle-mounted cryogenic storage vessels and method of making sameMINNESOTA VALLEY ENG·Filed 1992·Granted Jul 20, 1993·47 cites·2 claims
- 2371US11788783B2Cryogenic freezerMVE BIOLOGICAL SOLUTIONS US LLC·Filed 2018·Granted Oct 17, 2023·2 cites·22 claims
- 2461US5572875ARelief valve construction to minimize ignition hazard from cryogenic storage tanks containing volatile liquidsMINNESOTA VALLEY ENG·Filed 1994·Granted Nov 12, 1996·25 cites·13 claims
- 2557US12313324B2Cryogenic freezerMVE BIOLOGICAL SOLUTIONS US LLC·Filed 2023·Granted May 27, 2025·0 cites·18 claims
- 2657US4925060ACork for cryogenic dry shipperGUSTAFSON KEITH W·Filed 1989·Granted May 15, 1990·16 cites·2 claims
- 2751US9388943B2Ullage tank for vertical storage tankGUSTAFSON KEITH·Filed 2012·Granted Jul 12, 2016·1 cites·7 claims
- 2841US2006010881A1Cryogenic dewarGUSTAFSON KEITH·Filed 2005·Application pending·0 cites
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