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William F. Sand

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  • Cincinnati, OH, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Modular chemical dispensing system and methods
    • Patent number 9,096,417
    • Issue date Aug 4, 2015
    • Delaware Capital Formation, Inc.
    • William F. Sand
    • A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
  • Information Patent Grant

    System and method for product level monitoring in a chemical dispen...
    • Patent number 9,038,455
    • Issue date May 26, 2015
    • Delaware Capital Formation, Inc.
    • Terry Tincher
    • G01 - MEASURING TESTING
  • Information Patent Grant

    Chemical dispensing reservoir apparatus and methods
    • Patent number 8,726,945
    • Issue date May 20, 2014
    • Cintas Corporation
    • William F. Sand
    • B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
  • Information Patent Grant

    Chemical dispensing apparatus and methods
    • Patent number 8,499,979
    • Issue date Aug 6, 2013
    • Delaware Capital Formation, Inc.
    • William F. Sand
    • E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
  • Information Patent Grant

    Refillable chemical reservoir
    • Patent number D604799
    • Issue date Nov 24, 2009
    • Delaware Capital Formations
    • William F. Sand
    • D23 - Environmental heating and cooling
  • Information Patent Grant

    Chemical dispenser
    • Patent number 7,487,795
    • Issue date Feb 10, 2009
    • Delaware Capital Formation
    • William F. Sand
    • Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
  • Information Patent Grant

    Multiple chemical product eductive dispenser
    • Patent number 6,655,401
    • Issue date Dec 2, 2003
    • Hydro Systems Company
    • William F. Sand
    • Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
  • Information Patent Grant

    Multiple flow rate eductive dispenser
    • Patent number 6,619,318
    • Issue date Sep 16, 2003
    • Hydro Systems Company
    • Mark D. Dalhart
    • B67 - OPENING, CLOSING OR CLEANING BOTTLES, JARS OR SIMILAR CONTAINERS LIQUID...
  • Information Patent Grant

    Ultra-lean dilution apparatus
    • Patent number 6,499,872
    • Issue date Dec 31, 2002
    • Hydro Systems Company
    • William F. Sand
    • A01 - AGRICULTURE FORESTRY ANIMAL HUSBANDRY HUNTING TRAPPING FISHING
  • Information Patent Grant

    Ultra-lean dilution apparatus
    • Patent number 6,238,081
    • Issue date May 29, 2001
    • Hydro Systems Company
    • William F. Sand
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Grant

    Air gap eductor
    • Patent number 5,862,829
    • Issue date Jan 26, 1999
    • Hydor Systems Company
    • William F. Sand
    • A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
  • Information Patent Grant

    Chemical eductor with integral elongated air gap
    • Patent number 5,522,419
    • Issue date Jun 4, 1996
    • Hydro Systems Company
    • William F. Sand
    • E03 - WATER SUPPLY SEWERAGE
  • Information Patent Grant

    Selecting and dispensing valve
    • Patent number 5,377,718
    • Issue date Jan 3, 1995
    • Hydro Systems Company
    • William F. Sand
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Chemical eductor with integral elongated air gap
    • Patent number 5,253,677
    • Issue date Oct 19, 1993
    • Hydro Systems Company
    • William F. Sand
    • A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
  • Information Patent Grant

    Chemical eductor with integral elongated air gap
    • Patent number 5,159,958
    • Issue date Nov 3, 1992
    • Hydro Systems Company
    • William F. Sand
    • A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...

Patents Applicationslast 30 patents