Robert John Pristas

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Chardon, OH, US

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Patents Grantslast 30 patents

Information Patent Grant
Housing for reverse osmosis filter cartridge and method of forming...
- Patent number 8,486,264
- Issue date Jul 16, 2013
- Enpress, L.L.C.
- Douglas S. Stolarik
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Grant
Housing for reverse osmosis filter cartridge and method of forming...
- Patent number 8,377,298
- Issue date Feb 19, 2013
- Enpress, L.L.C.
- Douglas S. Stolarik
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Grant
Composite pressure vessel assembly
- Patent number 7,810,670
- Issue date Oct 12, 2010
- Enpress, L.L.C.
- Thomas G. Carter
- F17 - STORING OF DISTRIBUTING GASES OR LIQUIDS
Information Patent Grant
Method of making a water treatment composite pressure vessel
- Patent number 7,354,495
- Issue date Apr 8, 2008
- Enpress, L.L.C.
- Thomas G. Carter
- F17 - STORING OF DISTRIBUTING GASES OR LIQUIDS
Information Patent Grant
Hydropneumatic filament-wound pressure vessel
- Patent number 5,484,079
- Issue date Jan 16, 1996
- Essef Corporation
- Thomas G. Carter
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL

Patents Applicationslast 30 patents

Information Patent Application
HOUSING FOR REVERSE OSMOSIS FILTER CARTRIDGE AND METHOD OF FORMING...
- Publication number 20110192781
- Publication date Aug 11, 2011
- ENPRESS, L.L.C.
- Douglas S. Stolarik
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Application
COMPOSITE PRESSURE VESSEL ASSEMBLY
- Publication number 20080149636
- Publication date Jun 26, 2008
- ENPRESS, L.L.C.
- Thomas G. Carter
- F17 - STORING OF DISTRIBUTING GASES OR LIQUIDS
Information Patent Application
Composite pressure vessel assembly and method
- Publication number 20060060289
- Publication date Mar 23, 2006
- POLYMER & STEEL TECHNOLOGIES HOLDING COMPANY, L.L.C.
- Thomas G. Carter
- F17 - STORING OF DISTRIBUTING GASES OR LIQUIDS
Information Patent Application
Composite pressure vessel assembly and method
- Publication number 20030111473
- Publication date Jun 19, 2003
- POLYMER & STEEL TECHNOLOGIES HOLDING COMPANY, L.L.C.
- Thomas G. Carter
- F17 - STORING OF DISTRIBUTING GASES OR LIQUIDS