Robert E. Grace — 17 Patents at Xerox

Robert E. Grace has been granted 17 US patents while listed as an inventor at Xerox. The first was granted in 1982 and the most recent in January 2007. Robert E. Grace ranks #263,971 of 4,157,543 US inventors in our database (top 6.3%). Patent records list Robert E. Grace in Fairport, NY, US.

Issued Patents All Time

Showing 1–17 of 17 patents

Patent #	Title	Co-Inventors	Date	Approx Value ⓘ
7162172	Semi-automatic image quality adjustment for multiple marking engine systems	Michael C. Mongeon, Hugh W. Griffith, Krzysztof J. Less, Tim D. M. Enskat	2007-01-09	$7,093,000
6871029	Process for minimizing toner usage in minimum area coverage patches and minimizing toner churning	Grace T. Brewington	2005-03-22	$15,598,000
6668146	Hybrid scavengeless development using direct current voltage shift to remove wire history	Jeffrey C. Folkins, Rasin Moser, William H. Wayman, Larry G. Hogestyn	2003-12-23	$9,503,000
6639669	Diagnostics for color printer on-line spectrophotometer control system	Fred F. Hubble, III, Tonya L. Love, Lalit Keshav Mestha, Gary W. Skinner, Dennis M. Diehl +2 more	2003-10-28	$5,683,000
6404997	Method and apparatus for dynamically controlling image density	—	2002-06-11	$6,482,000
6321043	Control of halftone and solid area image quality by way of a halftone discharge ratio	—	2001-11-20	$5,745,000
6134398	Electrostatographic reproduction machine having dual mode development unit control apparatus and method	—	2000-10-17	$4,121,000
5887221	Signature sensing for optimum toner control with donor roll	—	1999-03-23	$26,338,000
5749023	Adaptive feed forward compensation for time varying toner cohesivity	Guru B. Raj, James M. Pacer	1998-05-05	$10,269,000
5613176	Image on image process color with two black development steps	—	1997-03-18	$8,300,000
5559579	Closed-loop developability control in a xerographic copier or printer	Mark A. Gwaltney	1996-09-24	$11,734,000
5051781	Xerographic setup and operating system for electrostatographic reproduction machines	Daniel C. Roehrs, Angelo Caruso, Robert M. Mara, John G. Elliot, Patricia J. Saraceno +1 more	1991-09-24
5045882	Xerographic setup and operating system for electrostatographic reproduction machines	Daniel C. Roehrs, Angelo Caruso, Robert M. Mara, John G. Elliot, Patricia J. Saraceno +1 more	1991-09-03	$2,148,000
5016050	Xerographic setup and operating system for electrostatographic reproduction machines	Daniel C. Roehrs, Angelo Caruso, Robert M. Mara, John G. Elliot, Patricia J. Saraceno +1 more	1991-05-14	$4,682,000
5006892	Xerographic setup and operating system for electrostatographic reproduction machines	Daniel C. Roehrs, Angelo Caruso, Robert M. Mara, John G. Elliot, Patricia J. Saraceno +1 more	1991-04-09	$5,741,000
4512652	Control scheme compensating for changing characteristics of a photoconductive member used in an electrophotographic printing machine	Kenneth J. Buck, Thomas Hayes	1985-04-23	$3,133,000
4318610	Control system for an electrophotographic printing machine	—	1982-03-09	$2,139,000

Robert E. Grace — 17 Patents

Issued Patents All Time

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