Inventor
Sven Sonnenberg
Inventor
Rochester, NY, US
Overview
Patents· 11 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
G03Gprimary
G03GElectrography31%
F04BPositive-displacement machines for liquids25%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests13%
B41JTypewriters6%
B65HHandling thin or filamentary material, e.g. sheets, webs, cables6%
F01BMachines or engines, in general or of positive-displacement type, e.g. steam engines6%
F01LCyclically operating valves for machines or engines6%
G05DSystems for controlling or regulating non-electric variables6%
PatentTitleYear
5,532,802'Piezoelectric sensor for in-situ monitoring of electrostatographic developers'19965,485,256'Method and apparatus for forming combined toner images'19965,463,449'Reduction in metallization of a piezoelectric sensor for a xerographic development process to increase sensitivity of the sensor'19955,406,320'Ink replenishment assemblies for ink jet printers'19955,229,826'Toner cleaning apparatus'19935,065,194'Piezo film cleaner'19914,903,956'Sheet stacking apparatus having positive control system for trailing sheet ends'19904,555,220'Regeneration system for a hydraulic intensifier unit'19854,470,771'Quadraplex fluid pump'19843,981,622'Hydraulic intensifier control system'19763,967,542'Hydraulic intensifier'1976Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1976Patents assigned to KELSEY HAYES CO (2)· patent assignee history
1976–1985Based in Springfield, OH, US· patent location history
1984–1985Patents assigned to TOWLER HYDRAULICS INC (2)· patent assignee history
1990–1996Patents assigned to EASTMAN KODAK CO (6)· patent assignee history
1990Patents assigned to DURST HOMER D (1)· patent assignee history
1990Patents assigned to MADER RODNEY G (1)· patent assignee history
1990Based in Dayton, OH, US· patent location history
1991–1996Based in Rochester, NY, US· patent location history
1996Based in Webster, NY, US· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| EASTMAN KODAK CO | 6 | 1990–1996 |
| KELSEY HAYES CO | 2 | 1976 |
| TOWLER HYDRAULICS INC | 2 | 1984–1985 |
| DURST HOMER D | 1 | 1990 |
| MADER RODNEY G | 1 | 1990 |
Locations
| Location | Patents | Span |
|---|---|---|
| Rochester, New York, US | 5 | 1991–1996 |
| Springfield, OH, US | 4 | 1976–1985 |
| Webster, New York, US | 1 | 1996 |
| Dayton, OH, US | 1 | 1990 |