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Hans P. Aleff

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  • Cumberland, RI, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Flow control structures
    • Patent number 4,382,520
    • Issue date May 10, 1983
    • Cia. Vinicola del Vergel, S.A.
    • Hans P. Aleff
    • B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
  • Information Patent Grant

    Finger actuated pump assembly
    • Patent number 4,336,895
    • Issue date Jun 29, 1982
    • Hans P. Aleff
    • G01 - MEASURING TESTING
  • Information Patent Grant

    Finger actuated pump assembly
    • Patent number 4,201,317
    • Issue date May 6, 1980
    • Hans P. Aleff
    • G01 - MEASURING TESTING
  • Information Patent Grant

    One way check valve construction
    • Patent number 4,131,135
    • Issue date Dec 26, 1978
    • Hans Peter Aleff
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...