21
Kevin L Alft, Gregory W Draper, Hans Kelpe: Earth penetrating apparatus and method employing radar imaging and rate sensing. Vermeer Manufacturing Company, Crawford Maunu PLLC, September 30, 2004: US20040190374-A1

An earth penetrating apparatus includes a cutting tool and a sensor housing. A radar unit, rate sensor unit, processor, and transmitter are provided in the sensor housing. An antenna arrangement is coupled to the radar unit and configured for transmitting and receiving electromagnetic signals in a r ...


22
Kevin L Alft, Fred G Delonti, Christopher Dean Rettig, Paul A Cartwright: Automated bore planning system for horizontal directional drilling. Vermeer Manufacturing Company, Mark A Hollingsworth, Crawford Maunu PLLC, December 2, 2004: US20040243309-A1

Systems provide for electronic development of a bore plan for use in connection with an underground boring machine. Electronically developing a bore plan involves providing topographical information representative of topography of the bore site and providing bore path information representative of a ...


23
Kevin L Alft, Brian J Bischel, Gregg A Austin, Hans Kelpe: Underground drilling device employing down-hole radar. Vermeer Manufacturing Company, Crawford Maunu PLLC, December 23, 2004: US20040256159-A1

Devices for sensing at an underground drilling device in communication with an above-ground locator involve transmitting a radar probe signal from the underground drilling device. A radar return signal is received at the underground drilling device. The radar return signal is processed at the underg ...


24
Gary Neal Young, Kevin L Alft: Underground utility detection system and method. Vermeer Manufacturing Company, Crawford Maunu PLLC, November 11, 2004: US20040225444-A1

Systems and methods provide for detection of one or more underground utilities. Radar waves and seismic waves of about the same wavelength are generated and communicated into a subsurface. Radar and seismic response signals resulting from communication of the radar and seismic waves into the subsurf ...


25
Kevin L Alft, Fred G Delonti, Christopher Dean Rettig, Paul A Cartwright: Automated bore planning method and apparatus for horizontal directional drilling. Vermeer Manufacturing Company, Craword Pllc, August 22, 2002: US20020116129-A1

A system and method provide for electronic development of a bore plan for use in connection with an underground boring machine. Electronically developing a bore plan involves receiving bore path plan information representative of an intended bore path at the bore site, which may include topographica ...


26
Kevin L Alft, Fred G Delonti, Christopher Dean Rettig, Paul A Cartwright: Automated bore planning method and apparatus for horizontal directional drilling. Vermeer Manufacturing Company, Crawford Maunu PLLC, September 18, 2003: US20030173113-A1

A system and method provide for electronic development of a bore plan for use in connection with an underground boring machine. Electronically developing a bore plan involves providing topographical information representative of topography of the bore site and providing bore path information represe ...


27
Kevin L Alft, Brian J Bischel, Gregg A Austin, Hans Kelpe: Real-time control system and method for controlling an underground boring machine. Vermeer Manufacturing Company, Mark A Hollingsworth, Altera Law Group, February 21, 2002: US20020020561-A1

Systems and methods for controlling an underground boring tool involve rotating the boring tool and sensing a parameter of boring tool rotation. The boring tool is also displaced along an underground path and a parameter of boring tool displacement is sensed. Various sensors monitor boring machine a ...


28
Kevin L Alft, Gregory W Draper, Hans Kelpe: Earth penetrating apparatus and method employing radar imaging and rate sensing. Vermeer Manufacturing Company, Attention of Mark A Hollingsworth, Hollingsworth & Funk, October 18, 2007: US20070240903-A1

An earth penetrating apparatus includes a cutting tool and a sensor housing. A radar unit, rate sensor unit, processor, and transmitter are provided in the sensor housing. An antenna arrangement is coupled to the radar unit and configured for transmitting and receiving electromagnetic signals in a r ...


29
Kevin L Alft, Gregory W Draper, Hans Kelpe: Earth penetrating apparatus and method employing radar imaging and rate sensing. Vermeer Manufacturing Company Pella IA, Crawford Pllc, August 11, 2005: US20050173153-A1

An earth penetrating apparatus includes a cutting tool and a sensor housing. A radar unit, rate sensor unit, processor, and transmitter are provided in the sensor housing. An antenna arrangement is coupled to the radar unit and configured for transmitting and receiving electromagnetic signals in a r ...


30
Kevin L Alft, Brian J Bischel, Gregg A Austin, Hans Kelpe: Underground drilling device and method employing down-hole radar. Vermeer Manufacturing Company, Crawford PLLC, March 27, 2003: US20030056983-A1

Systems and methods for sensing at an underground drilling device in communication with an above-ground locator involve transmitting a radar probe signal from the underground drilling device. A radar return signal is received at the underground drilling device. The radar return signal is processed a ...