TREA

PRODUCT RESEARCH AND DEVELOPMENT, A LIMITED PARTNERSHIP

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  • ANAHEIM, CA, US
Organizations

Patents Grantslast 30 patents

  • Information Patent Grant

    Pump for reverse osmosis system
    • Patent number 5,380,428
    • Issue date Jan 10, 1995
    • Product Research and Development
    • Donald F. Solomon
    • G06 - COMPUTING CALCULATING COUNTING
  • Information Patent Grant

    Pump for reverse osmosis system
    • Patent number 5,244,361
    • Issue date Sep 14, 1993
    • Product Research and Development
    • Donald F. Solomon
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    Reverse osmosis system and automatic cycling booster pump therefor
    • Patent number 5,193,988
    • Issue date Mar 16, 1993
    • Product Research and Development
    • Donald F. Solomon
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Reverse osmosis system with cycled pressure intensifiers
    • Patent number 5,154,820
    • Issue date Oct 13, 1992
    • Product Research and Development
    • Donald F. Solomon
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Wobble plate pump
    • Patent number 5,125,809
    • Issue date Jun 30, 1992
    • Product Research and Development
    • E. Dale Hartley
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Highway delineator guidepost
    • Patent number D323999
    • Issue date Feb 18, 1992
    • Product Research and Development
    • Layne S. Leishman
    • D10 - Measuring, testing, or signalling instruments
  • Information Patent Grant

    Highway guidepost
    • Patent number 5,028,166
    • Issue date Jul 2, 1991
    • Product Research and Development
    • Layne S. Leishman
    • E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
  • Information Patent Grant

    Post driver and methodology
    • Patent number 5,020,605
    • Issue date Jun 4, 1991
    • Product Research and Development
    • Layne S. Leishman
    • E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
  • Information Patent Grant

    Reverse osmosis system and automatic cycling booster pump therefor
    • Patent number 5,000,845
    • Issue date Mar 19, 1991
    • Product Research and Development
    • Donald F. Solomon
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Reverse osmosis system and automatic cycling booster pump therefor
    • Patent number 4,995,793
    • Issue date Feb 26, 1991
    • Product Research and Development
    • Donald F. Solomon
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Valve system for a reciprocating device
    • Patent number 4,827,832
    • Issue date May 9, 1989
    • Product Research and Development
    • E. Dale Hartley
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    Reciprocating device and switching mechanism therefor
    • Patent number 4,827,831
    • Issue date May 9, 1989
    • Product Research and Development
    • E. Dale Hartley
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    Pump with variable angle wobble plate
    • Patent number 4,797,069
    • Issue date Jan 10, 1989
    • Product Research and Development
    • E. Dale Hartley
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Ratio pump and method
    • Patent number 4,684,332
    • Issue date Aug 4, 1987
    • Product Research and Development
    • E. Dale Hartley
    • B67 - OPENING, CLOSING OR CLEANING BOTTLES, JARS OR SIMILAR CONTAINERS LIQUID...
  • Information Patent Grant

    Triple discharge pump
    • Patent number 4,610,605
    • Issue date Sep 9, 1986
    • Product Research and Development
    • E. Dale Hartley
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Reciprocable device
    • Patent number 4,610,192
    • Issue date Sep 9, 1986
    • Product Research and Development
    • E. Dale Hartley
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    Liquid dispensing system and automatic selector therefor
    • Patent number 4,493,435
    • Issue date Jan 15, 1985
    • Product Research and Development
    • E. Dale Hartley
    • B67 - OPENING, CLOSING OR CLEANING BOTTLES, JARS OR SIMILAR CONTAINERS LIQUID...
  • Information Patent Grant

    Diaphragm pump with ball bearing drive
    • Patent number 4,396,357
    • Issue date Aug 2, 1983
    • Product Research and Development
    • E. Dale Hartley
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Pressure switch with snap element
    • Patent number 4,214,137
    • Issue date Jul 22, 1980
    • Product Research and Development
    • E. Dale Hartley
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Drinking cup and support
    • Patent number 4,127,211
    • Issue date Nov 28, 1978
    • Product Research & Development Corporation
    • John E. Zerbey
    • B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL

Trademarklast 30 trademarks

  • Information Trademark

    73137279 - TRAV-L CUP
    • Serial number 73137279
    • Registration number 1118271
    • Filing date Aug 11, 1977
    • PRODUCT RESEARCH & DEVELOPMENT CORPORATION
    • 21 - Household or kitchen utensils and containers
  • Information Trademark

    72320740 - SS-99
    • Serial number 72320740
    • Registration number 891907
    • Filing date Mar 4, 1969
    • PRODUCT RESEARCH & DEVELOPMENT CORP.
    • 2 - Paints, varnishes, lacquers
  • Information Trademark

    72122951 - MOTION
    • Serial number 72122951
    • Registration number 728439
    • Filing date Jun 27, 1961
    • PRODUCT RESEARCH & DEVELOPMENT CORPORATION
    • 2 - Paints, varnishes, lacquers