1
Eugene L Helton, Walter B Miller: Multi-material ripper tip. Caterpillar Tractor Co, Phillips Moore Weissenberger Lempio & Strabala, January 20, 1976: US03932952 (115 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 ...


2
Forsman Arnold H: Continuous wave surfing facility. Phillips Moore Weissenberger Lempio & Strabala, October 21, 1975: US3913332 (103 worldwide citation)

A facility is provided having a body of water and wave generator for producing a continuous wave suitable for surfing. A plurality of generators provides serial waves on opposite sides of a tunnel structure having screen grills for preventing surfers from colliding with the wave generators. Both dou ...


3
Preston L Gale, Eugene L Helton, Robert C Mueller: Wear-resistant alloy, and method of making same. Caterpillar Tractor Co, Phillips Moore Weissenberger Lempio & Strabala, July 20, 1976: US03970445 (76 worldwide citation)

A wear-resistant alloy comprising boron, chromium and iron having maximum hardness for a given composition is produced by rapidly cooling and solidfying spheroidal particles of the molten alloy mixture. The resultant solid particles are then cast in the desired form, or incorporated into a composite ...


4
Purcell Robert J, Wehr Kenneth E: Triangular track resilient bogie suspension. Caterpillar Tractor Co, Phillips Moore Weissenberger Lempio & Strabala, October 15, 1974: US3841424 (71 worldwide citation)

An assembly for supporting and driving a vehicle with a crawler track has the track chain engaged on a pair of spaced apart idler wheels and a drive sprocket situated between the idlers and upwardly therefrom whereby the chain is maintained in a triangular configuration with the sprocket and drive e ...


5
Mark S Richards, Shannon B Copeland: Fluid separation apparatus. Racor, Phillips Moore Weissenberger Lempio & Strabala, January 6, 1976: US03931011 (67 worldwide citation)

An improved self-contained apparatus for the separation of low density fluids from higher density insoluable fluids or particles or both in which initial separation, coalescing and filtration steps are carried out substantially in series and in that order, is disclosed. Specific embodiments of such ...


6
Lesetar Alexander C: Hair dryer with rotary brush. Phillips Moore Weissenberger Lempio & Strabala, June 24, 1975: US3890984 (67 worldwide citation)

The invention is a rotary brush-hair dryer combination. Air is heated and propelled from the handle of a grooming implement outwardly through a fixed conduit. The air exits from the conduit through a slot which extends from near the end of the conduit furthest from the handle to adjacent the handle. ...


7
Bridwell John W, Hopkins Donald L, Lohbauer Kenneth R: Hydraulic circuitry for an excavator. Caterpillar Tractor Co, Phillips Moore Weissenberger Lempio & Strabala, December 2, 1975: US3922855 (62 worldwide citation)

A hydraulic circuit is provided for powering a wheel-type excavator with a plurality of pumps supplying pressurized fluid for the circuit. The circuit is arranged so that fluid is provided from a plurality of pumps in a sequence manner to permit maximum utilization of pump volume for translation of ...


8
Merle A Holman: Method of and apparatus for cutting vehicle tires. Phillips Moore Weissenberger Lempio & Strabala, January 13, 1976: US03931935 (61 worldwide citation)

A method for cutting vehicle tires and the like is disclosed together with apparatus for practicing the method comprising a first plurality of cutting discs axially spaced from each other along a first shaft and a second plurality of cutting discs axially spaced from each other along a second shaft ...


9
Lukavich Paul James: Quick change cutting edge. Caterpillar Tractor Co, Phillips Moore Weissenberger Lempio & Strabala, December 3, 1974: US3851413 (57 worldwide citation)

A replaceable, quick change, segmented cutting edge assembly for a loader bucket or the like has a plurality of material engaging teeth which project forwardly from the bucket floor. The assembly comprises a plurality of easily handled, relatively small sections of bifurcated cutting edges. The sect ...


10
Gene Ralph Klett: High strength earth working penetration tooth. Caterpillar Tractor Co, Phillips Moore Weissenberger Lempio & Strabala, June 1, 1976: US03959901 (56 worldwide citation)

The invention is concerned with a unitary high strength earth working tooth useful with excavator buckets, scrapers, rippers and the like. The tooth is integrally formed and includes a proximal end for attachment to an earth working machine and a distal end for penetrating soil. The proximal end inc ...