1
Nesseth Clifford A: Manure storage pit pump. Mentag Robert G, October 28, 1975: US3915594 (50 worldwide citation)

A manure storage pit pump for attachment to a tractor having a power output shaft and a hitch means for loading manure into a liquid manure transfer tank mounted on a vehicle such as a spreader vehicle or a truck, or for agitating manure in a storage pit. The pump includes a support frame for detach ...


2
Pottinger Arthur D, Ryder Jr William V, Shuert Lyle H: Reinforced plastic panel. Jered Products, Mentag Robert G, September 3, 1974: US3832955 (39 worldwide citation)

A plastic panel adapted to be formed by a vacuum forming or other molding processes including a pair of plastic sheets fused together with high strength inserts encapsulated therebetween, the inserts defining reinforing ribs of substantial bending modulus, or a pattern for forming a stiffening confi ...


3
Meldrum Charles R: Noise preventing shock absorber. Ace Controls, Mentag Robert G, August 27, 1974: US3831923 (33 worldwide citation)

A noise preventing shock absorber adapted for silently absorbing the sound due to noise sources, as when moving machine parts engage mating surfaces and decelerate to zero velocity within a short travel distance or stroke. The shock absorber includes a unitary resilient member having an annular forc ...


4
Djorup Robert S: Thermal directional fluid flow transducer. Environmental Instruments, Mentag Robert G, August 19, 1975: US3900819 (30 worldwide citation)

A fluid flow sensor apparatus for determining speed, mass flow and direction of motion relative to a fluid in which the sensor is immersed. The sensor is constructed of at least two spaced apart resistive electrical conductors which are mechanically supported to provide a degree of thermo isolation ...


5
DuVernay Arthur C: Method and crimping tool for permanently joining together two sheet metal members. Auto Craft Tool & Die Company, Mentag Robert G, November 18, 1975: US3919955 (25 worldwide citation)

A method of permanently joining two sheet material members by placing them in an overlapping position, and simultaneously punching out a portion of each sheet member so that a portion of an uppermost sheet member is disposed in the lowermost sheet member, and said portion of the lowermost sheet memb ...


6
Chrokey William J, Ellis Larry C, Heideman Robert J: Adjustable stroke shock absorber. Ace Controls, Mentag Robert G, February 26, 1974: US3794309 (22 worldwide citation)

An adjustable stroke shock absorber having an outer tube slidably mounted in an inner tube and with the inner tube having an outer end adapted to receive an impact load. A piston rod is fixed in the outer tube and is extended into the inner tube and carries a fixed piston head. The piston head is pr ...


7
Snider William: Simulated cake and container for cut and wrapped cake pieces. Snider Wanda, Mentag Robert G, October 22, 1974: US3843220 (14 worldwide citation)

A multiple layer simulated cake and container structure which includes a plurality of containers adapted to be arranged in a vertical stacked arrangement wherein the containers increase in size from the uppermost container down to the lowermost container. The lowermost container is disposed on a bas ...


8
Meldrum Charles R, Bindon Glyn A: Noise preventing shock absorber. Ace Controls, Mentag Robert G, August 27, 1974: US3831920 (14 worldwide citation)

A noise preventing shock absorber adapted for silently absorbing the sound due to noise sources, as when moving machine parts engage mating surfaces and decelerate to zero velocity within a short travel distance or stroke. The shock absorber member includes a unitary resilient member which is dish-s ...


9
Griffin Dana K, Wilson John R: Floor wax applicator with throw-away head. Mentag Robert G, August 6, 1974: US3827100 (13 worldwide citation)

A wax applicator provided with a throw-away wax applicator head. The wax applicator includes an elongated carrier member to which is rigidly secured an elongated pulling handle. The carrier member includes an upper rigid portion and a lower cushion portion. The disposable wax applicator head is moun ...


10
Buettner Larry H: Two-door lock device. Mentag Robert G, September 17, 1974: US3836187 (11 worldwide citation)

A two-door lock device for locking a building inner door that swings inward to a building outer door that swings outward, to lock the doors against unauthorized opening of the doors of the building from the outside. The lock device includes an elongated wire cable having the outer end attached to th ...



Click the thumbnails below to visualize the patent trend.