1
Edward J O Brien: Quick-disconnect nozzle connection. Spraying Systems Co, McWilliams Mann & Zummer, January 29, 1980: US04185781 (95 worldwide citation)

A quick-disconnect nozzle connection for a spraying tip and a nozzle body. The spraying tip is defined by a cylindrical inlet stem at one end of the tip, an interior fluid passage communicating from the inlet of the cylindrical stem through the tip to an orifice, at least one arcuate section extendi ...


2
Ted Butterfield, Lyle J Emory, Daniel Filicicchia: Nozzle with pre-orifice metering restriction. Spraying Systems Company, McWilliams Mann & Zummer, October 12, 1982: US04353508 (73 worldwide citation)

This invention relates to a nozzle having a restriction in the form of an insert comprised of a pre-metering orifice in the nozzle that causes the emerging stream to flare out and impinge on the nozzle side walls and create turbulence to flood the nozzle and achieve a predetermined spray pattern. Th ...


3
Joel Schmutzer, George D Elkerton: Direct current ballasting and starting circuitry for gaseous discharge lamps. Forest Electric Company, McWilliams Mann & Zummer, February 19, 1980: US04189663 (72 worldwide citation)

Direct current ballasting and starting circuitry for efficiently operating a gaseous discharge lamp on direct current. Series-pass switching means in one of a pair of input lines alternatively switches between on and off states to periodically supply pulses of energy from a source of direct current ...


4
Richard W Heil, Thomas A Rose: Method and apparatus for treating organic wastewater. McWilliams Mann Zummer and Sweeney, November 15, 1983: US04415452 (67 worldwide citation)

A method and apparatus for treating a continuous stream of organic wastewater using highly concentrated activated sludge (10,000 mg/l MLSS), elevated atmospheric pressure, and high levels of dissolved oxygen. The apparatus consists of three pressurized vessels linked in series by piping, and maintai ...


5
Ralph Ogden: Exercise treadmill. McWilliams Mann & Zummer, August 17, 1982: US04344616 (65 worldwide citation)

A treadmill exercising apparatus comprising a generally planar frame equipped with a planar slider bed and head and tail rollers journalled respectively at the head and tail ends of the frame, which rollers are formed from steel and are provided with elastomeric material crowns, over which rollers a ...


6
Arthur E Datschefski: Connector for non-metallic sheathed cable. Raco, McWilliams Mann Zummer, November 10, 1981: US04299363 (62 worldwide citation)

A connector for connecting non-metallic sheathed cable of both the round and oval types to electrical boxes in which the connector is of all plastic, one piece construction, free of clamps and screwing, and comprises a ring shaped segmented body defining a collet like cable gripping portion comprisi ...


7
Ralph Ogden: Exercise treadmill. McWilliams Mann & Zummer, February 22, 1983: US04374587 (55 worldwide citation)

A treadmill exercising apparatus comprising a generally planar frame equipped with a planar slider bed and head and tail rollers journalled respectively at the head and tail ends of the frame. The rollers are provided with elastomeric material crowns, over which rollers an endless nylon belt is trai ...


8
Robert M Barton: Roadway pavement planing machine. Barco Manufacturing Company, McWilliams Mann & Zummer, February 5, 1980: US04186968 (49 worldwide citation)

A roadway pavement planing machine comprising a frame having forward and rearward ends, a pair of crawler drive assemblies disposed in side by side relation at the frame forward end upon which the frame forward end rests, with such drive assemblies being connected to the frame for independent vertic ...


9
Grodon E Bradt: Battery driven golf cart. McWilliams Mann Zummer & Sweeney, September 3, 1985: US04538695 (49 worldwide citation)

A self propelled two speed vehicle suitable for use as a golf cart, in which the frame is arranged to carry one or two golfers and/or their golf clubs over short distances such as are encountered in golf course use. The cart is provided with a low level flat rearwardly directed riding platform appli ...


10
Peter W Rietz: Glove arrangement for water skiing. McWilliams Mann Zummer & Sweeney McWilliams Mann Zummer & Sweeney, August 30, 1983: US04400831 (44 worldwide citation)

A glove arrangement for water skiing for enabling the water skier to establish through his grip on the tow rope crossbar handle a finger controlled structural purchase that couples, through the glove arrangment, the skeletal structure of his arms to the tow rope handle in bypassing relation to the m ...