LE

Lester Engelmann

TC The Ames Companies: 3 patents #14 of 44Top 35%
WI Watts Investment: 3 patents #4 of 20Top 20%
WR Watts Regulator: 1 patents #62 of 105Top 60%
📍 Woodland, CA: #36 of 206 inventorsTop 20%
🗺 California: #82,707 of 386,348 inventorsTop 25%
Overall (All Time): #757,091 of 4,157,543Top 20%
7
Patents All Time

Issued Patents All Time

Showing 1–7 of 7 patents

Patent #TitleCo-InventorsDate
6675110 Testing valve assemblies 2004-01-06
6502598 Backflow prevention assembly 2003-01-07
6293013 Backflow prevention assembly 2001-09-25
6192933 Backflow prevention assembly 2001-02-27
5713240 Method and apparatus for automatic remote testing of backflow preventers 1998-02-03
5669405 Apparatus and method for automatically disabling pressure relief valve of backflow preventer 1997-09-23
5085076 Integrated water strainer, meter, and crossover check valve 1992-02-04