Chris D. Palmby
Chris D Palmby: Plant transplanting apparatus. November 16, 2010: US07832125 (1 worldwide citation)

A plant transplanting apparatus includes a pair of hand spade assemblies each having a post with a top end and a bottom end and a blade that has a top edge and a bottom edge. The top edge is attached to the bottom end of the post and a grip is attached to the top end of the post. A coupling assembly ...

Siegfried Schwert: Method of extracting a hollow unit laid in the ground. Marshall & Melhorn, November 16, 1999: US05984582 (178 worldwide citation)

Disclosed is a method of extracting a hollow member laid in the earth, e.g. a lead pipe, which is accessible at both its open ends. For this purpose a hose which may be internally pressurized, is introduced in an unpressurized condition into the pipe, the hose is then internally pressurized, pressin ...

Misaki Yoji: Monitor device for hydraulic shovel. Sumitomo Constr Mach, January 9, 2001: JP2001-003400 (168 worldwide citation)

PROBLEM TO BE SOLVED: To provide a monitor device capable of simply inputting the number of times of loading for a truck by a hydraulic shovel without depending on paper and a pencil, storing the number of the times of the loading and being easily shown on a display.SOLUTION: A count button switch 6 ...

Anthony Hanseder: Method and apparatus for accurately positioning a tool on a mobile machine using on-board laser and positioning system. Trimble Navigation, Blakely Sokoloff Taylor & Zafman, August 22, 2000: US06108076 (125 worldwide citation)

A method and apparatus for accurately positioning a tool on a mobile machine are provided. The machine is equipped with a satellite positioning system (SPS) receiver, a robotic total station with an integrated scanning laser and a storage facility storing a digital terrain model (DTM) of a work area ...

Philip M Clegg: Grading system. Clegg Engineering, Grant L Hubbard, February 21, 1989: US04807131 (114 worldwide citation)

A fully automated earthgrading machine and system is disclosed.

Richard W Davidson, John W Fletcher: Position sensing system for surveying and grading. Agtek Development Co, Limbach Limbach & Sutton, April 11, 1989: US04820041 (113 worldwide citation)

A position sensing apparatus and method useful for surveying, marking, and grading implement sensing and control is disclosed. The position sensing apparatus includes two laser reference stations, each of which projects a laser beam that periodically sweeps in a plane across the area to be surveyed. ...

Eugene L Helton, Walter B Miller: Multi-material ripper tip. Caterpillar Tractor Co, Phillips Moore Weissenberger Lempio & Strabala, January 20, 1976: US03932952 (113 worldwide citation)

A multi-material earthworking ripper tip having a leading nose portion comprised of a material having greater wear resistance and strength at elevated temperatures than the material which comprises the rearward shank supporting portion of the tip. In one embodiment, a bi-metallic nose portion is ine ...

Larren F Jones, Robert K Emrich: Excavating tooth. Esco Corporation, Banner & Witcoff, January 20, 1998: US05709043 (108 worldwide citation)

An excavating tooth for attachment to the digging edge of excavating equipment includes a wear member provided with bearing faces in a socket which extend substantially parallel to the longitudinal axis of the tooth. The bearing faces are formed to widen significantly as they extend rearward to prov ...

William C Sahm: Automatic excavation control system and method. Caterpillar, Wei W Jeang, James R Yee, November 12, 1991: US05065326 (107 worldwide citation)

A control system and method automatically controls a work implement of an excavating machine to perform a complete excavation work cycle. In performing the work cycle, the control system automatically extends the work implement down into the trench, completes a dig stroke, captures the excavated mat ...

Kerwin L Davis: Excavating tooth. Esco Corporation, Tilton Fallon Lungmus & Chestnut, November 4, 1980: US04231173 (106 worldwide citation)

An excavating tooth especially adapted for use with large front end loaders which encounter repetitive jacking stresses, the point component of the tooth being equipped with uniquely sized bearing surfaces and rearwardly extending top and bottom tongues for the support of a vertical locking pin.

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