LexDanaLexDanabeta
Inventor

Theodore S. Zajac, Jr.

Inventor
Elyria, OH, US

Overview

17→
Patents
1984–2016
Patent span
Performing operations
Primary field (CPC B)

Patents· 17 as inventor

Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.

F15Bprimary
F15BSystems acting by means of fluids in general27%
B25BTools or bench devices not otherwise provided for, for fastening, connecting, disengaging, or holding23%
Y10TTechnical subjects covered by former us classification18%
B25JManipulators14%
B41JTypewriters9%
F16CShafts5%
G03GElectrography5%
PatentTitleYear
9,511,481'Pin clamp having integrated check valve'20169,486,898'Sliding head locking pin clamp'20169,388,833'Compact linear actuator with anti-rotation device'20169,314,905'Locking pin clamp'20169,080,583'Compact linear actuator with anti-rotation device'20157,546,915'Square shaft linear actuator'20097,108,255'Locking mechanism for locating pin with integrated clamp'20066,931,982'Linear actuator'20056,902,160'Locating pin with integrated clamp'20055,974,948'Linear actuator'19995,839,770'Robotic gripper'19985,755,475'Device for gripping a workpiece'19985,657,973'Device for gripping a workpiece'19975,019,872'Continuous-form electrophotographic printer'19914,806,036'Printer mechanism carried by upper portion of hinged housing'19894,761,087'Printer with automatic printed paper advancement to tear-off position and subsequent retraction to new first print line'19884,434,966'Electro-hydraulic proportional control valve'1984

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1984Patents assigned to PARKER HANNIFIN CORP (1)· patent assignee history
1984–1997Based in Bay Village, OH, US· patent location history
1988–1989Patents assigned to GENICOM CORP (2)· patent assignee history
1988–1989Based in Charlottesville, VA, US· patent location history
1991Patents assigned to OUTPUT TECH CORP (1)· patent assignee history
1991Based in Spokane, WA, US· patent location history
1997–2016Patents assigned to ZAYTRAN INC (12)· patent assignee history
1998–2009Based in Elyria, OH, US· patent location history
2015Patents assigned to ISELIN BRIAN FREDERICK (1)· patent assignee history
2015–2016Based in Avon Lake, OH, US· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
ZAYTRAN INC121997–2016
GENICOM CORP21988–1989
ISELIN BRIAN FREDERICK12015
OUTPUT TECH CORP11991
PARKER HANNIFIN CORP11984
Locations
LocationPatentsSpan
Elyria, OH, US71998–2009
Avon Lake, OH, US52015–2016
Bay Village, OH, US21984–1997
Charlottesville, Virginia, US21988–1989
Spokane, Washington, US11991