Richard F. Plachy

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West Peru, ME, US

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Patents Grantslast 30 patents

Information Patent Grant
Adjustable weir for liquid distribution systems
- Patent number 5,680,989
- Issue date Oct 28, 1997
- Gavin; Norman F.
- Richard F. Plachy
- E03 - WATER SUPPLY SEWERAGE
Information Patent Grant
Optimized weir construction for liquid distributors
- Patent number 5,154,353
- Issue date Oct 13, 1992
- Richard F. Plachy
- G05 - CONTROLLING REGULATING
Information Patent Grant
Weir construction for liquid distributors
- Patent number 5,107,892
- Issue date Apr 28, 1992
- Richard F. Plachy
- E03 - WATER SUPPLY SEWERAGE