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Robert C. Larsen

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  • Bartlett, IL, US
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Patents Grantslast 30 patents

Patents Applicationslast 30 patents

  • Information Patent Application

    High-Outflow One-Way Pressure Relief Valves
    • Publication number 20250178791
    • Publication date Jun 5, 2025
    • Plitek, L.L.C.
    • Karl K. Hoffman
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    Pressure Relief Valve with High Pressure Opening and Closing Functi...
    • Publication number 20240246741
    • Publication date Jul 25, 2024
    • Plitek, L.L.C.
    • Karl K. Hoffman
    • B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
  • Information Patent Application

    Pressure Relief Valve with Wetting Fluid Reservoirs
    • Publication number 20210276780
    • Publication date Sep 9, 2021
    • PLITEK, LLC
    • Karl K. Hoffman
    • B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
  • Information Patent Application

    Single-Serve Cartridge with Pressure Relief Valve
    • Publication number 20150135967
    • Publication date May 21, 2015
    • PLITEK, LLC
    • Karl K. Hoffman
    • A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
  • Information Patent Application

    OIL-LESS PRESSURE RELIEF VALVES
    • Publication number 20140318653
    • Publication date Oct 30, 2014
    • PLITEK, LLC
    • Karl K. Hoffman
    • B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
  • Information Patent Application

    Oil-less pressure relief valves
    • Publication number 20130048635
    • Publication date Feb 28, 2013
    • Plitek, L.L.C.
    • Karl K. Hoffman
    • B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL