Paso Robles, California
United States
14
2026-02-05
The entities that hold a legal rights for patent applications filed by inventor Orr William M.:
William M. Orr from Paso Robles, US has applied for patents for these inventions. The list has both pending applications and granted patents:
STACKED BACKFLOW PREVENTER AND DIVERTER FOR SAME
#2 | 2025-05-15CHECK VALVE HAVING PIVOTING LINK
#3 | 2025-03-06CHECK VALVE ASSEMBLY
#4 | 2024-02-01PRESSURE REDUCING VALVE WITH AN INTEGRAL VENTURI
#5 | 2024-01-04RELIEF VALVE ASSEMBLY
#6 | 2022-11-03Backflow prevention and method of manufacture
#7 | 2021-12-16Pressure reducing valve with an integral venturi
#8 | 2021-05-27Backflow prevention and method of manufacture
#9 | 2020-11-05Pressure reducing valve with an integral venturi
#10 | 2015-08-06Backflow prevention and method of manufacture
#11 | 2012-03-08Backflow prevention and method of manufacture
#12 | 2010-08-26Dual chamber adapter
#13 | 2008-12-04Dual chamber adapter
#14 | 2006-08-24Backflow preventer
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