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Kenneth E. Lehrke
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Osseo, MN, US
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Patents Grants
last 30 patents
Information
Patent Grant
Diaphragm pump with overfill limiter
Patent number
7,090,474
Issue date
Aug 15, 2006
Wanner Engineering, Inc.
Kenneth Eugene Lehrke
F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information
Patent Grant
Diaphragm pump with a transfer chamber vent with a longitudinal not...
Patent number
6,899,530
Issue date
May 31, 2005
Wanner Engineering, Inc.
Kenneth Eugene Lehrke
F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information
Patent Grant
Termite control system with multi-fluid proportion metering and bat...
Patent number
6,568,559
Issue date
May 27, 2003
Wanner Engineering, Inc.
Michelle Jean Miller
A01 - AGRICULTURE FORESTRY ANIMAL HUSBANDRY HUNTING TRAPPING FISHING
Information
Patent Grant
Mechanical proportioner
Patent number
6,168,308
Issue date
Jan 2, 2001
Graco Minnesota Inc.
David M. Pittman
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Grant
Lawn applicator module and control system therefor
Patent number
6,164,560
Issue date
Dec 26, 2000
Wanner Engineering, Inc.
Kenneth Eugene Lehrke
A01 - AGRICULTURE FORESTRY ANIMAL HUSBANDRY HUNTING TRAPPING FISHING
Information
Patent Grant
Diaphragm pump plural component dispensing system with integrator
Patent number
5,961,300
Issue date
Oct 5, 1999
Graco Inc.
Jan E. Pitzer
F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information
Patent Grant
Rotary agitator with concentric suction tube
Patent number
5,362,148
Issue date
Nov 8, 1994
Graco Inc.
Kenneth E. Lehrke
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Grant
Fluid integrator
Patent number
5,277,494
Issue date
Jan 11, 1994
Graco
Kenneth E. Lehrke
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Grant
Pulseless piston pump
Patent number
5,145,339
Issue date
Sep 8, 1992
Graco Inc.
Kenneth E. Lehrke
F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information
Patent Grant
Non-icing quiet air-operated pump
Patent number
4,921,408
Issue date
May 1, 1990
Graco Inc.
Daniel J. Kvinge
F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information
Patent Grant
Electrically heated hose employing a hose simulator for temperature...
Patent number
4,725,713
Issue date
Feb 16, 1988
Graco Inc.
Kenneth E. Lehrke
G05 - CONTROLLING REGULATING
Information
Patent Grant
Electric fluid heater temperature control system providing precise...
Patent number
4,501,952
Issue date
Feb 26, 1985
Graco Inc.
Kenneth E. Lehrke
F24 - HEATING RANGES VENTILATING
Information
Patent Grant
Tire filling apparatus and method
Patent number
3,982,569
Issue date
Sep 28, 1976
Graco Inc.
Paul W. Gleason
B60 - VEHICLES IN GENERAL
Patents Applications
last 30 patents
Information
Patent Application
Diapharagm pump
Publication number
20040228748
Publication date
Nov 18, 2004
Wanner Engineering, Inc.
Kenneth Eugene Lehrke
F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information
Patent Application
TERMITE CONTROL SYSTEM WITH MULTI-FLUID PROPORTION METERING AND BAT...
Publication number
20030071062
Publication date
Apr 17, 2003
Michelle Jean Miller
A01 - AGRICULTURE FORESTRY ANIMAL HUSBANDRY HUNTING TRAPPING FISHING