1
R Langdon Wales, H W Crowley: Touch screen input system. Wolf Greenfield & Sacks, July 25, 1989: US04851616 (105 worldwide citation)

A touch screen input system for use with a display screen having a photo-active display surface including a controllable sweeping beam. The system includes at least one photo-detector in combination with detection circuitry for continuously registering the position of the beam in the display surface ...


2
R Langdon Wales, H W Crowley: Web material inspection system. Wolf Greenfield & Sacks, August 21, 1990: US04951223 (36 worldwide citation)

A system for inspecting and characterizing continuous web material such as may be wound into a roll. This system includes a recording storage means for providing a duplicate image of the web material and a device for reviewing the recording storage means image to detect a predetermined characterisit ...


3
R Langdon Wales, H W Crowley: Ink monitor system. Automation, Wolf Greenfield & Sacks, January 10, 1989: US04796782 (23 worldwide citation)

A system for monitoring ink flow from an ink storage tank to at least one ink fountain of a high-speed, web-fed printing press employing a scale for measuring the weight of the ink storage tank and comparing weight signals from the scale at successive times to determine the weight of ink consumed ov ...


4
R Langdon Wales, H W Crowley: Roll support and feed apparatus. Roll Systems, Wolf Greenfield & Sacks, January 16, 1990: US04893763 (21 worldwide citation)

A machine for feeding rolls of web material to a utilization device that is adapted to draw the web material into the utilization device. The roll machine includes a frame carrying a carriage that supports a pair of arms having respective chucks that are adapted to move toward and away from each oth ...


5
H W Crowley, R Langdon Wales deceased: Roll support and feed apparatus. Roll Systems, Wolf Greenfield & Sacks, December 5, 1995: US05472153 (19 worldwide citation)

A machine for feeding rolls of web material to a utilization device that is adapted to draw the web material into the utilization device. The roll machine includes a frame carrying a carriage that supports a pair of arms having respective chucks that are adapted to move toward and away from each oth ...


6
R Langdon Wales, H W Crowley: Closed loop register control. Web Printing Controls Co, Welsh & Katz, April 12, 1988: US04736680 (16 worldwide citation)

A closed loop register control system used in association with a printing press and comprising a television camera in combination with a strobe light and a solid state imaging device which enables continuous scanning of the sheet web. The apparatus of this invention also comprises a printing press c ...


7
H W Crowley, R Langdon Wales deceased: Roll support and feed apparatus. Roll Systems, Cesari & McKenna, July 29, 1997: US05651511 (15 worldwide citation)

A machine for feeding rolls of web material to a utilization device that is adapted to draw the web material into the utilization device. The roll machine includes a frame carrying a carriage that supports a pair of arms having respective chucks that are adapted to move toward and away from each oth ...


8
R Langdon Wales, H W Crowley: Ink motor system. Automation, Wolf Greenfield & Sacks, May 1, 1990: US04921132 (13 worldwide citation)

A system for monitoring ink flow from an ink storage tank to at least one ink fountain of a high-speed, web-fed printing press employing a scale for measuring the weight of the ink storage tank and comparing weight signals from the scale at successive times to determine the weight of ink consumed ov ...


9
R Langdon Wales, H W Crowley: Roll support and feed apparatus. Roll Systems, Wolf Greenfield & Sacks, October 20, 1992: US05156350 (13 worldwide citation)

A machine for feeding rolls of web material to a utilization device that is adapted to draw the web material into the utilization device. The roll machine includes a frame carrying a carriage that supports a pair of arms having respective chucks that are adapted to move toward and away from each oth ...


10
R Langdon Wales, H W Crowley: Ink monitor system. Automation, Wolf Greenfield & Sacks, August 1, 1989: US04852604 (12 worldwide citation)

A system for monitoring ink flow from an ink storage tank to at least one ink fountain of a high-speed, web-fed printing press employing a scale for measuring the weight of the ink storage tank and comparing weight signals from the scale at successive times to determine the weight of ink consumed ov ...