1
David G Wuchinich, Alan Broadwin, Robert P Andersen: Ultrasonic aspirator. Cavitron Corporation, Robert M Skolnik, William R Evans, September 23, 1980: US04223676 (214 worldwide citation)

Apparatus for the surgical removal of tissue is disclosed comprising a handpiece having a resonant vibrator with a magnetostrictive stack and connecting body encompassing a hollow elongated tool which is ultrasonically vibrated at its tip longitudinally to a peak to peak stroke of at least 0.005 inc ...


2
David G Wuchinich, Alan Broadwin, Robert P Andersen: Ultrasonic aspirator. Cavitron Corporation, Philip Sperber, December 20, 1977: US04063557 (112 worldwide citation)

Apparatus for the surgical removal of tissue is disclosed comprising a handpiece having a resonant vibrator with a magnetostrictive stack and connecting body encompassing a hollow elongated tool which is ultrasonically vibrated at its tip longitudinally to a peak to peak stroke of at least 0.005 inc ...


3
Robert J Duga, Constantine W Kulig, Robert L Doughty, Robert J Douglas, Robert P Andersen: Electronic glass feeder plunger operating mechanism. Emhart, Arthur B Moore, November 5, 1985: US04551163 (25 worldwide citation)

A glass feeder plunger operating mechanism driven by an electric motor controlled by a programmable computer programmed to drive the motor in a predetermined manner in order to generate a predetermined motion profile of one or more glass feeder plungers. The plungers are secured to the end of a cant ...


4
Robert J Douglas, Robert L Doughty, John P Mungovan, Robert P Andersen, Vaughan Abbott: Universal servo-driven gob distributor. Emhart, A W Breiner, July 8, 1986: US04599101 (20 worldwide citation)

A gob distributor for directing glass gobs to glassware-forming sections. Most particularly, this relates to the automatic positioning of scoops receiving the glass gobs from the glassmaking apparatus and directing them into troughs of glassware-forming sections which are arranged in a bank. The gob ...


5
Marty J Grant, George T Peterson, Robert P Andersen: Electronic servo control of glass gob distribution. Emhart, Arthur B Moore, February 9, 1988: US04723977 (9 worldwide citation)

Method and apparatus for electronically controlling a servo motor drive for glass gob distribution apparatus, to provide accurate high speed motion of one or more scoops. At the set-up stage, the operator adjusts the scoop position with respect to each trough to align scoop and trough in a straight ...


6
Robert J Douglas, Robert L Doughty, John P Mungovan, Robert P Andersen, Vaughan Abbott: Universal servo-driven gob distributor. Emhart, H Samuel Kieser, August 18, 1987: US04687502 (8 worldwide citation)

A gob distributor for directing glass gobs to glassware-forming sections. Most particularly, this relates to the automatic positioning of scoops receiving the glass gobs from the glassmaking apparatus and directing them into troughs of glassware-forming sections which are arranged in a bank. The gob ...


7
Robert P Andersen, Paul F Scott, Edward F Vozenilek: Method of repairing a glass container inspecting machine. Emhart, Spencer T Smith, November 27, 1990: US04972566 (7 worldwide citation)

A glass container inspection machine includes a head assembly, a console, and a cable connecting the two. The head assembly includes a measuring oscillator and a reference oscillator the outputs of which are applied to a Phase Detector Multiplier. A fixed resistance in the output circuit of the meas ...


8
Robert P Andersen, Paul F Scott, Edward F Vozenilek: Glass container wall thickness inspecting machine. Emhart, Carl A Forest, December 19, 1989: US04888824 (5 worldwide citation)

The capacitance of the wall of a glass bottle is sensed and converted to a periodic voltage by a measuring oscillator. A periodic voltage is generated by a phase locked loop which includes a voltage controlled reference oscillator which is forced to operate at the same frequency as the measuring osc ...


9
Edward F Vozenilek, Paul F Scott, Robert P Andersen: Glass container wall thickness in specting machine. Emhart, LIN CHANGAN, May 2, 1990: CN89106731

A periodic voltage is generated by the conversion of a measuring capacitance of a glass battle detected by a oscillator, and the periodic voltage is generated by use of a phase locked loop having a voltage controlled reference oscillator which is forced to operate at the same frequency as the measur ...


10