1
Michael J Piatt, Theodore F Williams: Ink jet printer. Eastman Kodak Company, Biebel French & Nauman, January 15, 1985: US04494124 (41 worldwide citation)

An ink jet printer having an ink supply tank and a constant volume fluid pump which pumps ink through a supply line to a print head and, during a start up sequence, to a pressurizing line having a fluid accumulator which rapidly increases the line pressure of the system until a predetermined ink pre ...


2
James D McCann, Theodore F Williams, John D Vogel: Ink supply system for an ink jet printer. The Mead Corporation, Biebel French & Nauman, August 16, 1983: US04399446 (39 worldwide citation)

An ink supply system for supplying ink to the print head of an ink jet printer includes a pump arrangement having a pump outlet for supplying ink to the print head from a supply tank through a print head supply line. A closed container communicates with the pump outlet and the print head for holding ...


3
James D McCann, Michael J Piatt, Theodore F Williams: Ink supply cartridge and cooperative ink circulation system of continuous ink jet printer. Eastman Kodak Company, John D Husser, August 19, 1986: US04607261 (39 worldwide citation)

An ink cartridge constructed for insertion into a continuous ink jet printer, includes a reservoir for containing an ink supply, an outlet for coupling the ink reservoir to a printer supply line, cartridge venturi elements having (i) a restriction region, (ii) an expansion region and (iii) an inlet ...


4
James D McCann, Michael J Piatt, Theodore F Williams: Ink jet printing apparatus with orifice array cleaning system. Eastman Kodak Company, John D Husser, May 27, 1986: US04591873 (30 worldwide citation)

A cleaning system for ink jet printing orifices includes cooperative elements which provide varying pressure differentials across the orifice plate that oscillate ink into and out of the orifices. In one embodiment the pressure differentials are implemented by varying the impedance to ink cross-flow ...


5
Theodore F Williams, James A Katerberg, Lawrence R Young, James D Isaacson: Continuous ink jet printer having improved system for reducing pressure variations. Eastman Kodak Company, John D Husser, June 6, 1989: US04837585 (6 worldwide citation)

An improved damping system for continuous ink jet printers of the kind having: (i) a print head, including an ink cavity and an orifice plate coupled to the cavity, and (ii) an ink circulation system having an ink supply conduit to the print head cavity inlet and an ink return conduit coupled to the ...


6
Robert A Wiley, Theodore F Williams, James W Davis: Ink jet printer and charge decoupling device therefor. The Mead Corporation, Biebel French & Nauman, November 2, 1982: US04357613 (2 worldwide citation)

An ink jet printer includes a charge decoupling device which permits fluid flow of electrically conductive fluid between a high voltage electrode and a grounded fluid reservoir while presenting a high impedance electrical path therebetween. The charge decoupling arrangement includes a nonconductive ...