Dennis P. Caldwell

Person

  • Borger, TX, US

Patents Grantslast 30 patents

  • Information Patent Grant

    Oil field test and separation system

    • Patent number 9,216,367
    • Issue date Dec 22, 2015
    • Dennis P. Caldwell
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Grant

    Gas vent

    • Patent number 8,298,407
    • Issue date Oct 30, 2012
    • Dennis Paul Caldwell
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Grant

    Wind turbine

    • Patent number 7,959,404
    • Issue date Jun 14, 2011
    • Dennis P. Caldwell
    • F03 - MACHINES OR ENGINES FOR LIQUIDS WIND, SPRING WEIGHT AND MISCELLANEOUS M...
  • Information Patent Grant

    Wind turbine

    • Patent number 7,748,947
    • Issue date Jul 6, 2010
    • Dennis P. Caldwell
    • F03 - MACHINES OR ENGINES FOR LIQUIDS WIND, SPRING WEIGHT AND MISCELLANEOUS M...
  • Information Patent Grant

    Wind collector

    • Patent number 7,611,325
    • Issue date Nov 3, 2009
    • Dennis P. Caldwell
    • F03 - MACHINES OR ENGINES FOR LIQUIDS WIND, SPRING WEIGHT AND MISCELLANEOUS M...

Patents Applicationslast 30 patents

  • Information Patent Application

    Wind turbine

    • Publication number 20110070067
    • Publication date Mar 24, 2011
    • Dennis P. Caldwell
    • Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
  • Information Patent Application

    Wind collector

    • Publication number 20090081023
    • Publication date Mar 26, 2009
    • Dennis P. Caldwell
    • F05 - INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF...
  • Information Patent Application

    Wind turbine

    • Publication number 20090081020
    • Publication date Mar 26, 2009
    • Dennis P. Caldwell
    • Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...