KL

Kenneth E. Lehrke

GR Graco: 7 patents #6 of 149Top 5%
WE Wanner Engineering: 4 patents #3 of 20Top 15%
GM Graco Minnesota: 1 patents #239 of 381Top 65%
Overall (All Time): #426,322 of 4,157,543Top 15%
12
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
7090474 Diaphragm pump with overfill limiter Richard D. Hembree 2006-08-15
6899530 Diaphragm pump with a transfer chamber vent with a longitudinal notch on the piston cylinder Richard D. Hembree 2005-05-31
6568559 Termite control system with multi-fluid proportion metering and batch signal metering Michelle J. Miller, Scott C. Losey 2003-05-27
6168308 Mechanical proportioner David M. Pittman, John F. Isais, Vicky J. Peterson, Adam Friedrich 2001-01-02
6164560 Lawn applicator module and control system therefor Frederick A. Powers, Timothy L. Sebion, Gary D. Ingle 2000-12-26
5961300 Diaphragm pump plural component dispensing system with integrator Jan Pitzer 1999-10-05
5362148 Rotary agitator with concentric suction tube Gerard L. Lehman, Scott C. Losey 1994-11-08
5277494 Fluid integrator Martin P. McCormick 1994-01-11
5145339 Pulseless piston pump Bruce A. McFadden 1992-09-08
4921408 Non-icing quiet air-operated pump Daniel J. Kvinge, Frederick A. Powers 1990-05-01
4725713 Electrically heated hose employing a hose simulator for temperature control 1988-02-16
4501952 Electric fluid heater temperature control system providing precise control under varying conditions 1985-02-26