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Michael D. Walters
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Hudsonville, MI, US
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Patents Grants
last 30 patents
Information
Patent Grant
Pump with mechanical seal assembly
Patent number
9,617,994
Issue date
Apr 11, 2017
Delaware Capital Formation, Inc.
Michael Douglas Walters
F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information
Patent Grant
Seal-less piston pump for liquefied gas
Patent number
9,551,328
Issue date
Jan 24, 2017
Delaware Capital Formation, Inc.
Michael E Frey
F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information
Patent Grant
Sliding vane positive displacement pump having a fixed disc configu...
Patent number
9,476,422
Issue date
Oct 25, 2016
Delaware Capital Formation, Inc.
Michael D Walters
F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information
Patent Grant
System and method for evaluating the presence of air in a liquid-st...
Patent number
6,179,163
Issue date
Jan 30, 2001
Delaware Capital Formation, Inc.
William J. Bohr
B67 - OPENING, CLOSING OR CLEANING BOTTLES, JARS OR SIMILAR CONTAINERS LIQUID...
Information
Patent Grant
Low noise rotary vane suction pump having a bleed port
Patent number
6,030,191
Issue date
Feb 29, 2000
Delaware Capital Formation, Inc.
Gregory P. Wood
F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information
Patent Grant
Air separating fuel dispensing system
Patent number
5,884,809
Issue date
Mar 23, 1999
Delaware Capital Formation, Inc.
Gregory P. Wood
B67 - OPENING, CLOSING OR CLEANING BOTTLES, JARS OR SIMILAR CONTAINERS LIQUID...
Patents Applications
last 30 patents
Information
Patent Application
PUMP WITH MECHANICAL SEAL ASSEMBLY
Publication number
20150300352
Publication date
Oct 22, 2015
Delaware Capital Formation, Inc.
Michael Douglas Walters
F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information
Patent Application
SEAL-LESS PISTON PUMP FOR LIQUEFIED GAS
Publication number
20140271262
Publication date
Sep 18, 2014
Michael E. Frey
F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information
Patent Application
PISTON PUMP FOR LIQUEFIED GAS
Publication number
20140023530
Publication date
Jan 23, 2014
Michael E. Frey
F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information
Patent Application
SLIDING VANE POSITIVE DISPLACEMENT PUMP
Publication number
20130309114
Publication date
Nov 21, 2013
Delaware Capital Formation, Inc.
Michael D. Walters
F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...