TREA

Robert E. Crane

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  • Oconomowoc, WI, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Lead pipe spudding prior to extraction or remediation
    • Patent number 12,092,257
    • Issue date Sep 17, 2024
    • The Charles Machine Works, Inc.
    • Robert F. Crane
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    System for applying torsional force to a buried pipe to facilitate...
    • Patent number 11,913,570
    • Issue date Feb 27, 2024
    • The Charles Machine Works, Inc.
    • Steven W. Wentworth
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Pipe slitting machine with rope storage reel
    • Patent number 11,619,336
    • Issue date Apr 4, 2023
    • The Charles Machine Works, Inc.
    • Mark D. Randa
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Pipe extraction assisted by pre-stressed strand
    • Patent number 11,112,033
    • Issue date Sep 7, 2021
    • The Charles Machine Works, Inc.
    • Robert F. Crane
    • B66 - HOISTING LIFTING HAULING
  • Information Patent Grant

    Lead pipe spudding prior to extraction or remediation
    • Patent number 10,969,053
    • Issue date Apr 6, 2021
    • The Charles Machine Works, Inc.
    • Robert F. Crane
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    Reversible pneumatic pipe ramming tool
    • Patent number 10,927,602
    • Issue date Feb 23, 2021
    • The Charles Machine Works, Inc.
    • Steven W. Wentworth
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    Extraction of ductile pipe
    • Patent number 10,883,628
    • Issue date Jan 5, 2021
    • The Charles Machine Works, Inc.
    • Steven W. Wentworth
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Extraction of ductile pipe
    • Patent number 10,584,807
    • Issue date Mar 10, 2020
    • The Charles Machine Works, Inc.
    • Steven W. Wentworth
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Latch assembly for use with an inversion drum
    • Patent number 10,550,989
    • Issue date Feb 4, 2020
    • Earth Tool Company LLC
    • Craig Lawrence Noggle
    • E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
  • Information Patent Grant

    Split ring ram adapter with cam adjustment
    • Patent number 10,415,722
    • Issue date Sep 17, 2019
    • Earth Tool Company LLC
    • Steven W. Wentworth
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Slip style rod spinner for pipe bursting machine
    • Patent number 10,246,949
    • Issue date Apr 2, 2019
    • Earth Tool Company LLC
    • Steven W. Wentworth
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    Powered slip actuation
    • Patent number 10,161,201
    • Issue date Dec 25, 2018
    • Earth Tool Company LLC
    • Steven W. Wentworth
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    Gut hook bladed pipe slitter
    • Patent number D816456
    • Issue date May 1, 2018
    • Earth Tool Company LLC
    • Robert F. Crane
    • D08 - Tools and hardware
  • Information Patent Grant

    Slip style rod spinner for pipe bursting machine
    • Patent number 9,915,109
    • Issue date Mar 13, 2018
    • Earth Tool Company LLC
    • Steven W. Wentworth
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    Directional drill hammer pullback device
    • Patent number 9,611,696
    • Issue date Apr 4, 2017
    • Earth Tool Company LLC
    • Robert F. Crane
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    Pipe slitter
    • Patent number 9,566,653
    • Issue date Feb 14, 2017
    • Earth Tool Company LLC
    • Mark D. Randa
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Pipe slitting apparatus
    • Patent number 9,512,951
    • Issue date Dec 6, 2016
    • Earth Tool Company LLC
    • Mark D. Randa
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Quick connect rods
    • Patent number 9,328,760
    • Issue date May 3, 2016
    • Earth Tool Company LLC
    • Steven W. Wentworth
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Directional drill hammer pullback device
    • Patent number 9,169,946
    • Issue date Oct 27, 2015
    • Earth Tool Company L.L.C.
    • Robert F. Crane
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Rod pulling and pushing machine for pipe bursting
    • Patent number 8,979,435
    • Issue date Mar 17, 2015
    • Earth Tool Company L.L.C.
    • Steven W. Wentworth
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Beacon assembly
    • Patent number 8,955,586
    • Issue date Feb 17, 2015
    • Earth Tool Company, L.L.C.
    • Mark D. Randa
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    Reamer assembly
    • Patent number 8,887,833
    • Issue date Nov 18, 2014
    • Earth Tool Company, L.L.C.
    • Robert F. Crane
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    Drill string tooling joint
    • Patent number 8,844,655
    • Issue date Sep 30, 2014
    • Earth Tool Company, L.L.C.
    • Robert F. Crane
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    Method and apparatus for creating a planar cavern
    • Patent number 8,789,891
    • Issue date Jul 29, 2014
    • Steven W. Wentworth
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    Method and apparatus for creating a planar cavern
    • Patent number 8,646,846
    • Issue date Feb 11, 2014
    • Steven W. Wentworth
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    Joint for use in back reaming
    • Patent number 8,225,885
    • Issue date Jul 24, 2012
    • Earth Tool Company, L.L.C.
    • Steven W. Wentworth
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    Rod pushing and pulling machine
    • Patent number 8,157,478
    • Issue date Apr 17, 2012
    • Earth Tool Company, L.L.C.
    • Steven W. Wentworth
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Method and apparatus for installing an underground pipe
    • Patent number 7,993,078
    • Issue date Aug 9, 2011
    • Harr Technologies, LLC
    • Robert F. Crane
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
  • Information Patent Grant

    Method and apparatus for installing an underground pipe
    • Patent number 7,914,233
    • Issue date Mar 29, 2011
    • Harr Technologies LLC
    • Robert E. Crane
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Rod pulling and pushing machine for pipe bursting
    • Patent number 7,909,539
    • Issue date Mar 22, 2011
    • Earth Tool Company L.L.C.
    • Steven W. Wentworth
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...

Patents Applicationslast 30 patents

  • Information Patent Application

    LATCH ASSEMBLY FOR USE WITH AN INVERSION DRUM
    • Publication number 20240142036
    • Publication date May 2, 2024
    • The Charles Machine Works, Inc.
    • Craig Lawrence Noggle
    • E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
  • Information Patent Application

    JAW ENGAGEMENT ASSIST SYSTEM
    • Publication number 20230339077
    • Publication date Oct 26, 2023
    • The Charles Machine Works, Inc.
    • Steven W. Wentworth
    • B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
  • Information Patent Application

    PIPE EXTRACTION ASSISTED BY PRE-STRESSED STRAND
    • Publication number 20220341508
    • Publication date Oct 27, 2022
    • The Charles Machine Works, Inc.
    • Robert F. Crane
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    SYSTEM AND METHOD FOR EXTRACTING A BURIED PIPE
    • Publication number 20220325825
    • Publication date Oct 13, 2022
    • The Charles Machine Works, Inc.
    • Steven W. Wentworth
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    Pipe Extraction Assisted By Pre-Stressed Strand
    • Publication number 20210364102
    • Publication date Nov 25, 2021
    • The Charles Machine Works, Inc.
    • Robert F. Crane
    • B66 - HOISTING LIFTING HAULING
  • Information Patent Application

    Lead Pipe Spudding Prior To Extraction Or Remediation
    • Publication number 20210190251
    • Publication date Jun 24, 2021
    • The Charles Machine Works, Inc.
    • Robert F. Crane
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    Pipe Slitting Machine With Rope Storage Reel
    • Publication number 20210107074
    • Publication date Apr 15, 2021
    • The Charles Machine Works, Inc.
    • Mark D. Randa
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Application

    Pipe Extraction Assisted By Pre-Stressed Strand
    • Publication number 20200378529
    • Publication date Dec 3, 2020
    • The Charles Machine Works, Inc.
    • Robert F. Crane
    • B66 - HOISTING LIFTING HAULING
  • Information Patent Application

    Extraction Of Ductile Pipe
    • Publication number 20200158261
    • Publication date May 21, 2020
    • The Charles Machine Works, Inc.
    • Steven W. Wentworth
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    Latch Assembly For Use With An Inversion Drum
    • Publication number 20200149673
    • Publication date May 14, 2020
    • The Charles Machine Works, Inc.
    • Craig Lawrence Noggle
    • E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
  • Information Patent Application

    System And Method For Extracting A Buried Pipe
    • Publication number 20200056725
    • Publication date Feb 20, 2020
    • Earth Tool Company LLC
    • Steven W. Wentworth
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    Reversible Pneumatic Pipe Ramming Tool
    • Publication number 20190136629
    • Publication date May 9, 2019
    • Earth Tool Company LLC
    • Steven W. Wentworth
    • E21 - EARTH DRILLING MINING
  • Information Patent Application

    Lead Pipe Spudding Prior To Extraction Or Remediation
    • Publication number 20190078720
    • Publication date Mar 14, 2019
    • Earth Tool Company LLC
    • Robert F. Crane
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    Latch Assembly For Use With An Inversion Drum
    • Publication number 20190063662
    • Publication date Feb 28, 2019
    • Earth Tool Company LLC
    • Craig Lawrence Noggle
    • E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
  • Information Patent Application

    Extraction Of Ductile Pipe
    • Publication number 20190049040
    • Publication date Feb 14, 2019
    • Earth Tool Company LLC
    • Steven W. Wentworth
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    Split Ring Ram Adapter With Cam Adjustment
    • Publication number 20190049042
    • Publication date Feb 14, 2019
    • Earth Tool Company LLC
    • Steven W. Wentworth
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    Slip Style Rod Spinner For Pipe Bursting Machine
    • Publication number 20180223608
    • Publication date Aug 9, 2018
    • Earth Tool Company LLC
    • Steven W. Wentworth
    • E21 - EARTH DRILLING MINING
  • Information Patent Application

    Steerable Downhole Hammer Bit
    • Publication number 20180155985
    • Publication date Jun 7, 2018
    • Earth Tool Company LLC
    • Steven W. Wentworth
    • E21 - EARTH DRILLING MINING
  • Information Patent Application

    Slip Style Rod Spinner For Pipe Bursting Machine
    • Publication number 20180073311
    • Publication date Mar 15, 2018
    • EARTH TOOL COMPANY LLC
    • Steven W. Wentworth
    • E21 - EARTH DRILLING MINING
  • Information Patent Application

    Powered Slip Actuation
    • Publication number 20170234084
    • Publication date Aug 17, 2017
    • Earth Tool Company LLC
    • Steven W. Wentworth
    • E21 - EARTH DRILLING MINING
  • Information Patent Application

    ECCENTRIC CONES FOR ROCK CUTTING
    • Publication number 20160340981
    • Publication date Nov 24, 2016
    • Earth Tool Company LLC
    • Steven W. Wentworth
    • E21 - EARTH DRILLING MINING
  • Information Patent Application

    Gut Hook Bladed Pipe Slitter
    • Publication number 20160319979
    • Publication date Nov 3, 2016
    • Earth Tool Company LLC
    • Robert F. Crane
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    Powered Slip Actuation
    • Publication number 20160161023
    • Publication date Jun 9, 2016
    • Earth Tool Company LLC
    • Steven W. Wentworth
    • E21 - EARTH DRILLING MINING
  • Information Patent Application

    Directional Drill Hammer Pullback Device
    • Publication number 20160010394
    • Publication date Jan 14, 2016
    • EARTH TOOL COMPANY LLC
    • Robert F. Crane
    • E21 - EARTH DRILLING MINING
  • Information Patent Application

    Slip Style Rod Spinner For Pipe Bursting Machine
    • Publication number 20150252632
    • Publication date Sep 10, 2015
    • EARTH TOOL COMPANY LLC
    • Steven W. Wentworth
    • E21 - EARTH DRILLING MINING
  • Information Patent Application

    Pipe Slitting Apparatus
    • Publication number 20150198279
    • Publication date Jul 16, 2015
    • EARTH TOOL COMPANY LLC
    • Mark D. Randa
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    Pipe Slitter
    • Publication number 20150098765
    • Publication date Apr 9, 2015
    • EARTH TOOL COMPANY LLC
    • Mark D. Randa
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    Tricone Bit Construction
    • Publication number 20150014060
    • Publication date Jan 15, 2015
    • EARTH TOOL COMPANY LLC
    • Steven W. Wentworth
    • E21 - EARTH DRILLING MINING
  • Information Patent Application

    Powered Slip Actuation
    • Publication number 20140294512
    • Publication date Oct 2, 2014
    • EARTH TOOL COMPANY LLC
    • Steven W. Wentworth
    • E21 - EARTH DRILLING MINING
  • Information Patent Application

    Directional Drill Hammer Pullback Device
    • Publication number 20140255103
    • Publication date Sep 11, 2014
    • EARTH TOOL COMPANY LLC
    • Robert F. Crane
    • E21 - EARTH DRILLING MINING