TREA

Clifford C. Smith

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  • North Collins, NY, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Method and apparatuses for screening
    • Patent number 12,138,661
    • Issue date Nov 12, 2024
    • Derrick Corporation
    • James R. Colgrove
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Grant

    Method and apparatuses for screening
    • Patent number 11,707,766
    • Issue date Jul 25, 2023
    • Derrick Corporation
    • James R. Colgrove
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
  • Information Patent Grant

    Method and apparatuses for screening
    • Patent number 11,247,236
    • Issue date Feb 15, 2022
    • Derrick Corporation
    • James R. Colgrove
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
  • Information Patent Grant

    Method and apparatuses for screening
    • Patent number 11,213,856
    • Issue date Jan 4, 2022
    • Derrick Corporation
    • James R. Colgrove
    • B07 - SEPARATING SOLIDS FROM SOLIDS SORTING
  • Information Patent Grant

    Method and apparatus for screening
    • Patent number 11,213,857
    • Issue date Jan 4, 2022
    • Derrick Corporation
    • James R. Colgrove
    • B07 - SEPARATING SOLIDS FROM SOLIDS SORTING
  • Information Patent Grant

    Interstage screen basket
    • Patent number D915484
    • Issue date Apr 6, 2021
    • Derrick Corporation
    • James R. Colgrove
    • D15 - Machines not elsewhere specified

Patents Applicationslast 30 patents

  • Information Patent Application

    METHOD AND APPARATUSES FOR SCREENING
    • Publication number 20220088639
    • Publication date Mar 24, 2022
    • Derrick Corporation
    • James R. Colgrove
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
  • Information Patent Application

    METHOD AND APPARATUSES FOR SCREENING
    • Publication number 20220088638
    • Publication date Mar 24, 2022
    • Derrick Corporation
    • James R. Colgrove
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
  • Information Patent Application

    METHOD AND APPARATUSES FOR SCREENING
    • Publication number 20210260503
    • Publication date Aug 26, 2021
    • Derrick Corporation
    • James R. Colgrove
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Application

    METHOD AND APPARATUSES FOR SCREENING
    • Publication number 20190329293
    • Publication date Oct 31, 2019
    • Derrick Corporation
    • James R. Colgrove
    • B07 - SEPARATING SOLIDS FROM SOLIDS SORTING
  • Information Patent Application

    METHOD AND APPARATUS FOR SCREENING
    • Publication number 20190076881
    • Publication date Mar 14, 2019
    • Derrick Corporation
    • James R. Colgrove
    • B07 - SEPARATING SOLIDS FROM SOLIDS SORTING
  • Information Patent Application

    METHOD AND APPARATUSES FOR SCREENING
    • Publication number 20180345319
    • Publication date Dec 6, 2018
    • Derrick Corporation
    • James R. Colgrove
    • B07 - SEPARATING SOLIDS FROM SOLIDS SORTING