1
Ettlinger Jr Ralph, Beall Glenn L: Modular floor mat. Economics Laboratory, October 7, 1975: US3909996 (151 worldwide citation)

A modular floor mat unit which can be used individually or in combination with adjoining floor mat modules to provide an elevated surface which insulates personnel or materials from the floor surface. The floor mat is a unitary structure comprised of a tread surface integrally attached to the top ed ...


2
Ettlinger Jr Ralph: Rack construction for cups and glasses. June 15, 1971: US3584744 (7 worldwide citation)

A rack for supporting cups and glasses comprising a flat bed defining an upstanding peripheral wall. A gridwork is supported on the wall, the gridwork including upper portions in a plane spaced apart from the flat bed and defining openings for receiving the cups and glasses. The gridwork is composed ...


3
Ettlinger Jr Ralph, Strobl Jr Fred P: Adjustable shelf supports. October 16, 1973: US3765343 (6 worldwide citation)

A shelf construction and means for attaching the construction to supporting legs. The attaching means comprises a band and an adjusting means for increasing and decreasing the size of the opening defined by the band, a shelf is provided with openings for receiving supporting legs and a plurality of ...


4
Ettlinger Jr Ralph, Schneider Walter M: Vibrating sorter for soiled tableware. Avant, June 12, 1973: US3738465 (6 worldwide citation)

A construction for handling soiled tableware so that the tableware can be automatically sorted prior to placement into holders used for supporting the tableware as it passes through a dishwashing machine. A vibrating conveyor is provided for receiving the tableware, and a barrier extends across the ...


5
Ettlinger Jr Ralph, Strobl Jr Frederick P: Silverware sorting means. Avent, July 11, 1972: US3675770 (6 worldwide citation)

A silverware sorting means for separating knives, forks and spoons which are delivered in random fashion to the sorting means. A sorting bed is provided with vibrating means for moving silverware toward various discharge openings in the bed. Knives are passed through first openings at the leading en ...


6
Ettlinger Jr Ralph, Kostohryz Frank J: Silverware sorter. Avant, April 4, 1972: US3653507 (4 worldwide citation)

A silverware sorting construction for handling knives, forks and spoons. A bed is provided with vibrating means or other devices for moving silverware toward a discharge end of the bed. Knives on the bed are maintained in position and are discharged into collecting means located at the end of the be ...


7
Ettlinger Jr Ralph, Dietsche Robert B, MacAllister John W: Silverware feeder construction. Avant, McDougall Hersh and Scott, May 13, 1975: US3883422 (1 worldwide citation)

An apparatus for feeding silverware including a hopper for collecting the silverware in bulk amounts and means for gradually discharging the silverware from the hopper. The silverware is then conveyed to a sorting stage for dividing the different types of silverware, the sorter defining openings whi ...


8
Ettlinger Jr Ralph, Strobl Jr Frederick P: Silverware loading apparatus. Avant, June 20, 1972: US3670911

An apparatus for loading silverware onto an adjacent surface such as a silverware sorting construction. The apparatus comprises a rotating drum having an opening or openings in its side wall for the passage of silverware out of the drum. A removable receptacle may be located in the drum for loading ...