TREA

Dennis D. Simpson

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  • Plymouth, MN, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Stepladder tray
    • Patent number 12,084,917
    • Issue date Sep 10, 2024
    • Tricam Industries, Inc.
    • Benjamin M. Wernberg
    • B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
  • Information Patent Grant

    Work platform
    • Patent number 11,629,514
    • Issue date Apr 18, 2023
    • Tricam Industries, Inc.
    • Joseph P. Foley
    • E04 - BUILDING
  • Information Patent Grant

    Top cap for multi-position ladder
    • Patent number 11,505,994
    • Issue date Nov 22, 2022
    • Tricam Industries, Inc.
    • Joseph P. Foley
    • E06 - DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL LADDERS
  • Information Patent Grant

    Stepladder folding leg
    • Patent number 11,391,089
    • Issue date Jul 19, 2022
    • Tricam Industries, Inc.
    • Benjamin M. Wernberg
    • E06 - DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL LADDERS
  • Information Patent Grant

    Dump cart
    • Patent number 11,299,187
    • Issue date Apr 12, 2022
    • Tricam Industries, Inc.
    • Joseph P. Foley
    • B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
  • Information Patent Grant

    Step ladder
    • Patent number 11,220,862
    • Issue date Jan 11, 2022
    • Tricam Industries, Inc.
    • Jeff Skubic
    • E06 - DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL LADDERS
  • Information Patent Grant

    Cart tub
    • Patent number D897679
    • Issue date Oct 6, 2020
    • Tricam Industries, Inc.
    • Joseph P. Foley
    • D03 - Travel goods and personal belongings
  • Information Patent Grant

    Cart tub
    • Patent number D897680
    • Issue date Oct 6, 2020
    • Tricam Industries, Inc.
    • Joseph P. Foley
    • D03 - Travel goods and personal belongings
  • Information Patent Grant

    Step ladder
    • Patent number 10,648,234
    • Issue date May 12, 2020
    • Tricam Industries, Inc.
    • Jeff Skubic
    • E06 - DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL LADDERS
  • Information Patent Grant

    Dumping cart
    • Patent number D876744
    • Issue date Feb 25, 2020
    • Tricam Industries, Inc.
    • Benjamin M. Wernberg
    • D34 - Material or article handling equipment
  • Information Patent Grant

    Hinge for a multi-position ladder
    • Patent number D860476
    • Issue date Sep 17, 2019
    • Tricam Industries, Inc.
    • Joseph P. Foley
    • D25 - Building units and construction elements
  • Information Patent Grant

    Ladder rail
    • Patent number D855833
    • Issue date Aug 6, 2019
    • Tricam Industries, Inc.
    • Joseph P. Foley
    • D25 - Building units and construction elements
  • Information Patent Grant

    Step ladder
    • Patent number D840055
    • Issue date Feb 5, 2019
    • Tricam Industries, Inc.
    • Jeff D. Skubic
    • D25 - Building units and construction elements
  • Information Patent Grant

    Hinged tray for ladder or step stool
    • Patent number 10,138,680
    • Issue date Nov 27, 2018
    • Tricam Industries, Inc.
    • Benjamin P. Williams
    • E06 - DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL LADDERS
  • Information Patent Grant

    Log cart
    • Patent number D826507
    • Issue date Aug 21, 2018
    • Tricam Industries, Inc.
    • Benjamin M. Wernberg
    • D34 - Material or article handling equipment
  • Information Patent Grant

    Cart
    • Patent number D819917
    • Issue date Jun 5, 2018
    • Tricam Industries, Inc.
    • Dennis D. Simpson
    • D34 - Material or article handling equipment
  • Information Patent Grant

    Latch for ladder or step stool
    • Patent number 9,869,125
    • Issue date Jan 16, 2018
    • Tricam Industries, Inc.
    • Dennis D. Simpson
    • E06 - DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL LADDERS
  • Information Patent Grant

    Foldable work platform device
    • Patent number 9,752,334
    • Issue date Sep 5, 2017
    • Tricam Industries, Inc.
    • Joseph P. Foley
    • E04 - BUILDING
  • Information Patent Grant

    Work platform
    • Patent number D776826
    • Issue date Jan 17, 2017
    • Tricam Industries, Inc.
    • Joseph Foley
    • D25 - Building units and construction elements
  • Information Patent Grant

    Step stool
    • Patent number D710031
    • Issue date Jul 29, 2014
    • Tricam Industries, Inc.
    • Dennis D. Simpson
    • D25 - Building units and construction elements
  • Information Patent Grant

    Cart
    • Patent number D687614
    • Issue date Aug 6, 2013
    • Dennis D. Simpson
    • D34 - Material or article handling equipment
  • Information Patent Grant

    Articulated utility cart
    • Patent number 7,887,141
    • Issue date Feb 15, 2011
    • Tricam Industries, Inc.
    • Frank Pieschel
    • B60 - VEHICLES IN GENERAL
  • Information Patent Grant

    Method of making a dumping utility cart
    • Patent number 7,818,865
    • Issue date Oct 26, 2010
    • Tricam Industries, Inc.
    • Frank Pieschel
    • B60 - VEHICLES IN GENERAL
  • Information Patent Grant

    Trailer with convertible handle
    • Patent number 7,441,792
    • Issue date Oct 28, 2008
    • Tricam Industries, Inc.
    • Dennis Simpson
    • B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
  • Information Patent Grant

    Convertible ladder
    • Patent number 7,264,082
    • Issue date Sep 4, 2007
    • Tricam Industries, Inc.
    • Dennis Simpson
    • E06 - DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL LADDERS
  • Information Patent Grant

    Convertible handle
    • Patent number 7,210,697
    • Issue date May 1, 2007
    • Tricam International, Inc.
    • Dennis Simpson
    • B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
  • Information Patent Grant

    Stepladder with pivoting utility tray
    • Patent number 7,188,706
    • Issue date Mar 13, 2007
    • Tricam Industries, Inc.
    • Dennis Simpson
    • E06 - DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL LADDERS
  • Information Patent Grant

    Collapsible utility trailer
    • Patent number 7,175,205
    • Issue date Feb 13, 2007
    • Tricam International, Inc.
    • Dennis Simpson
    • B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
  • Information Patent Grant

    Stepladder with pivoting utility tray
    • Patent number 7,128,187
    • Issue date Oct 31, 2006
    • Tricam Industries, Inc.
    • Dennis Simpson
    • E06 - DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL LADDERS
  • Information Patent Grant

    Collapsible utility trailer
    • Patent number 6,962,370
    • Issue date Nov 8, 2005
    • Tricam International, Inc.
    • Dennis Simpson
    • B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS

Patents Applicationslast 30 patents

  • Information Patent Application

    STEPLADDER TRAY
    • Publication number 20240392627
    • Publication date Nov 28, 2024
    • TRICAM INDUSTRIES, INC.
    • Benjamin M. Wernberg
    • B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
  • Information Patent Application

    DUMP CART BOLT SYSTEM
    • Publication number 20240182095
    • Publication date Jun 6, 2024
    • TRICAM INDUSTRIES, INC.
    • Joseph P. Foley
    • B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
  • Information Patent Application

    ADJUSTABLE HINGE FOR A MULTI-POSITION LADDER
    • Publication number 20240035339
    • Publication date Feb 1, 2024
    • TRICAM INDUSTRIES, INC.
    • Joseph P. Foley
    • E06 - DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL LADDERS
  • Information Patent Application

    WORK PLATFORM
    • Publication number 20230340792
    • Publication date Oct 26, 2023
    • TRICAM INDUSTRIES, INC.
    • Joseph P. Foley
    • E04 - BUILDING
  • Information Patent Application

    TOP CAP FOR MULTI-POSITION LADDER
    • Publication number 20220364417
    • Publication date Nov 17, 2022
    • TRICAM INDUSTRIES, INC.
    • Joseph P. Foley
    • E06 - DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL LADDERS
  • Information Patent Application

    STEPLADDER FOLDING LEG
    • Publication number 20220316274
    • Publication date Oct 6, 2022
    • TRICAM INDUSTRIES, INC.
    • Benjamin M. Wernberg
    • E06 - DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL LADDERS
  • Information Patent Application

    DUMP CART
    • Publication number 20220194453
    • Publication date Jun 23, 2022
    • TRICAM INDUSTRIES, INC.
    • Joseph P. Foley
    • B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
  • Information Patent Application

    STEP LADDER
    • Publication number 20220162910
    • Publication date May 26, 2022
    • TRICAM INDUSTRIES, INC.
    • Jeff Skubic
    • E06 - DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL LADDERS
  • Information Patent Application

    STEPLADDER TRAY
    • Publication number 20210246725
    • Publication date Aug 12, 2021
    • TRICAM INDUSTRIES, INC.
    • Benjamin M. Wernberg
    • B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
  • Information Patent Application

    WORK PLATFORM
    • Publication number 20210164243
    • Publication date Jun 3, 2021
    • TRICAM INDUSTRIES, INC.
    • Joseph P. Foley
    • E04 - BUILDING
  • Information Patent Application

    DUMP CART
    • Publication number 20200247447
    • Publication date Aug 6, 2020
    • TRICAM INDUSTRIES, INC.
    • Joseph P. Foley
    • B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
  • Information Patent Application

    STEP LADDER
    • Publication number 20200224492
    • Publication date Jul 16, 2020
    • TRICAM INDUSTRIES, INC.
    • Jeff Skubic
    • E06 - DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL LADDERS
  • Information Patent Application

    STEPLADDER FOLDING LEG
    • Publication number 20200131850
    • Publication date Apr 30, 2020
    • TRICAM INDUSTRIES, INC.
    • Benjamin M. Wernberg
    • E06 - DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL LADDERS
  • Information Patent Application

    TOP CAP FOR MULTI-POSITION LADDER
    • Publication number 20200115961
    • Publication date Apr 16, 2020
    • TRICAM INDUSTRIES, INC.
    • Joseph P. Foley
    • E06 - DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL LADDERS
  • Information Patent Application

    WORK PLATFORM
    • Publication number 20190226217
    • Publication date Jul 25, 2019
    • TRICAM INDUSTRIES, INC.
    • Joseph P. Foley
    • E04 - BUILDING
  • Information Patent Application

    ADJUSTABLE HINGE FOR A MULTI-POSITION LADDER
    • Publication number 20180274296
    • Publication date Sep 27, 2018
    • Tricam Industries, Inc.
    • Joseph P. Foley
    • E06 - DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL LADDERS
  • Information Patent Application

    LATCH FOR LADDER OR STEP STOOL
    • Publication number 20170321482
    • Publication date Nov 9, 2017
    • TRICAM INDUSTRIES, INC.
    • Dennis D. Simpson
    • E06 - DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL LADDERS
  • Information Patent Application

    FOLDABLE WORK PLATFORM
    • Publication number 20170044780
    • Publication date Feb 16, 2017
    • TRICAM INDUSTRIES, INC.
    • Joseph P. Foley
    • B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
  • Information Patent Application

    HINGED TRAY FOR LADDER OR STEP STOOL
    • Publication number 20160348434
    • Publication date Dec 1, 2016
    • TRICAM INDUSTRIES, INC.
    • Benjamin P. Williams
    • A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
  • Information Patent Application

    STEP LADDER
    • Publication number 20150308190
    • Publication date Oct 29, 2015
    • TRICAM INDUSTRIES, INC.
    • Jeff Skubic
    • E06 - DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL LADDERS
  • Information Patent Application

    FOLDING STOOL
    • Publication number 20140131138
    • Publication date May 15, 2014
    • Dennis D. Simpson
    • A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
  • Information Patent Application

    CONVERTIBLE LADDER
    • Publication number 20080006480
    • Publication date Jan 10, 2008
    • TRICAM INDUSTRIES, INC.
    • Dennis Simpson
    • E06 - DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL LADDERS
  • Information Patent Application

    Articulated utility cart
    • Publication number 20070200419
    • Publication date Aug 30, 2007
    • Frank Pieschel
    • B60 - VEHICLES IN GENERAL
  • Information Patent Application

    STEP LADDER
    • Publication number 20070181368
    • Publication date Aug 9, 2007
    • TRICAM INTERNATIONAL, INC.
    • Dennis Simpson
    • E06 - DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL LADDERS
  • Information Patent Application

    COLLAPSIBLE UTILITY TRAILER
    • Publication number 20070182150
    • Publication date Aug 9, 2007
    • TRICAM INTERNATIONAL, INC.
    • Dennis Simpson
    • B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
  • Information Patent Application

    Trailer with convertible handle
    • Publication number 20070138759
    • Publication date Jun 21, 2007
    • Tricam International, Inc.
    • Dennis Simpson
    • B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
  • Information Patent Application

    Stepladder with pivoting utility tray
    • Publication number 20060266585
    • Publication date Nov 30, 2006
    • Tricam Industries, Inc.
    • Dennis Simpson
    • E06 - DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL LADDERS
  • Information Patent Application

    Convertible handle
    • Publication number 20060131835
    • Publication date Jun 22, 2006
    • Dennis Simpson
    • B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
  • Information Patent Application

    Ladder with storage compartment
    • Publication number 20060070806
    • Publication date Apr 6, 2006
    • Dennis Simpson
    • E06 - DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL LADDERS
  • Information Patent Application

    Convertible fiberglass ladder
    • Publication number 20050274571
    • Publication date Dec 15, 2005
    • Dennis Simpson
    • E06 - DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL LADDERS