Snow plow United States Patent 04439939

04439939 is referenced by 46 patents and cites 16 patents.

A snow plow especially suitable for use with small vehicles, such as cars, is disclosed. The snow plow features a hydraulic system for controlling movement of the plow from side to side as well as for elevating the plow. The snow plow of the present invention also includes a coupling system which permits the plow to be quickly coupled to the vehicle for snow plowing and quick removal of the plow when the vehicle is to be used for its conventional purposes. The hydraulic system may be mounted either on the plow support frame or to the subframe assembly which is attached to the underside of the car.

Title
Snow plow
Application Number
884690
Publication Number
4439939
Application Date
March 16, 1979
Publication Date
April 3, 1984
Inventor
James R Blau
13220 W. Burlawn Ct., Brookfield, 53003
WI, US
IPC
E01H 5/06
View Original Source

Citations: 46 (view full list)

  1. Harold G Woolhiser, Victor L Hoffman: Apparatus for mounting implements on vehicles. Harness Dickey & Pierce, October 16, 1990: US04962598 (56 worldwide citation)
  2. Ray A Berghefer: Implement interface. Thomas D Wilhelm, September 3, 1991: US05044098 (37 worldwide citation)
  3. Marc D Curtis: Vehicle hitch mount assembly for a snow plow. Curtis International, Nields & Lemack, November 14, 2000: US06145222 (35 worldwide citation)
  4. James P MacQueen: Lightweight modular snowplow for quick attachment to and simple, economical operation for small vehicle. January 23, 1996: US05485690 (35 worldwide citation)
  5. Gregory J Daniels: Rear-mounted snow plow apparatus. Daniels Pull Plow, Olson & Hierl, November 30, 1993: US05265355 (35 worldwide citation)
  6. Willem Jager, Roland Peter Barth, Craig Shoemaker: Mounting assembly for light duty snow plow. Riches McKenzie & Herbert, June 8, 1999: US05909960 (34 worldwide citation)
  7. James C Ciula: Plastic moldboards for snow plows and the like. The Louis Berkman Company, Body Vickers & Daniels, February 14, 1989: US04803790 (34 worldwide citation)
  8. Louis Boneta: Snow plow for small vehicles. Moose, Michael J Tavella, July 21, 1987: US04680880 (33 worldwide citation)
  9. Marc D Curtis: Vehicle hitch mount assembly for a snow plow. Curtis International, Nields & Lemack, April 3, 2001: US06209231 (30 worldwide citation)
  10. Gregory J Daniels: Snowplow with pivotable blade end extensions. Olson & Hierl, August 12, 1997: US05655318 (30 worldwide citation)

References: 16

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  3. Miceli Marc L: Control means for a snow plow. Meyer Products, December 19, 1972: US3706144 (32 worldwide citation)
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