1
Richard A Monroe, Jeffrey Perkins, Robert J Wood: Control mechanism for steerable elongated probe having a sealed joystick. Welch Allyn, Harris Beach & Wilcox, September 20, 1994: US05347989 (76 worldwide citation)

A control handle for a video probe that includes a joystick mounted in a housing which is coupled to a stepper mechanism for moving the control cables of an elongated insertion tube in response to the manipulation by an operator. The joystick is sealed against liquid infiltration.


2
Jeffrey Perkins: Sterile protective sheath and drape for video laparoscope and method of use. Welch Allyn, Harris Beach & Wilcox, March 5, 1996: US05496259 (46 worldwide citation)

A sheath or cover for a laparoscope insertion tube comprises a generally rigid cylindrical wall with a face plate disposed at its distal tip. A grip mechanism at the proximal end of the rigid cylindrical wall is twisted to grip the insertion tube when the sheath is slipped onto it. An elongated tubu ...


3
William H Lagerway, Jeffrey Perkins, Steven R Slawson: Lamp assembly. Welch Allyn, Wall Marjama & Bilinski, June 30, 1998: US05774271 (24 worldwide citation)

A lamp assembly includes a condensing lens group disposed at one end for collecting and collimating a light from a light source, an exit lens group at the other end of the assembly, including at least one objective lens element for projecting an illuminated light spot at a predetermined distance, an ...


4
James D Perkins, Dave Mathew Perkins, Douglas Jeffrey Perkins: Pneumatic tube distribution system and method. Advanced Pneumatic Tubes, Richard L Myers, Myers Dawes Andras & Sherman, December 9, 2003: US06659693 (22 worldwide citation)

A pneumatic system for transporting a carrier includes a first transport tube coupled to a first transport station and a second transport tube coupled to a second transport station. A distributor coupled to the first transport tube and the second transport tube includes a carousel having at least on ...


5
Joseph G Schroeder, Vince Bednarz, Jeffrey Perkins, Stephen Nemethy: Powder coating system central controller. Nordson Corporation, Calfee Halter & Griswold, December 20, 2005: US06977013 (11 worldwide citation)

A central controller for a powder coating system has a single processor connected to a memory, a gun controller input/output device and gun control logic for controlling a characteristic of a spray gun. An air flow controller input/output device and air flow control logic for controlling a character ...


6
Robert L Vivenzio, Ian K Edwards, Raymond A Lia, Jeffrey Perkins, Sean R Karla: Recyclable or biodegradable blood pressure cuff. Welch Allyn, February 18, 2014: US08652057

A blood pressure cuff is defined by a first sheet, having an opening, and a second sheet. The second sheet is attached to a bottom of the first sheet to form an interior inflatable portion between the first sheet and the second sheet, with the opening of the first sheet fluidly interconnecting the i ...


7
Corinn C Fahrenkrug, Chris R Roberts, Raymond A Lia, Ervin Goldfain, Jeffrey Perkins, Allan I Krauter, Andrew J Kugler: Apparatus and method for determining intraocular pressure and corneal thickness. Welch Allyn, Wall Marjama & Bilinski, February 10, 2005: US20050030473-A1

The invention includes methods and apparatus for measuring (Intraocular Pressure) IOP and (Corneal Thickness) CT for diagnosis and for monitoring a condition of health of an eye. The apparatus uses measurements selected from at least one of IOP and a CT, and a plurality of IOP measurements to deduce ...


8
James D Perkins, Dave Mathew Parkins, Douglas Jeffrey Perkins: Pneumatic tube distribution system and method. Myers Dawes & Andras, November 27, 2003: US20030219318-A1

A pneumatic system for transporting a carrier includes a first transport tube coupled to a first transport station and a second transport tube coupled to a second transport station. A distributor coupled to the first transport tube and the second transport tube includes a carousel having at least on ...


9
Joseph G Schroeder, Vince Bednarz, Jeffrey Perkins, Stephen Nemethy: Powder coating system central controller. Calfee Halter & Griswold, June 26, 2003: US20030116086-A1

A central controller for a powder coating system has a single processor connected to a memory, a gun controller input/output device and gun control logic for controlling a characteristic of a spray gun. An air flow controller input/output device and air flow control logic for controlling a character ...


10
Robert L Vivenzio, Ian K Edwards, Raymond A Lia, Jeffrey Perkins, Sean Karla: Recyclable or biodegradable blood pressure cuff. Welch Allyn, Hiscock & Barclay, November 25, 2010: US20100298724-A1

A blood pressure cuff is defined by a sleeve member, a portion of which is inflatable and made from a fluid impermeable material. An exterior port of the sleeve directly and fluidly interconnects with the interior of said inflatable portion, wherein a slotted portion is aligned with the port to rece ...