Inventor

Robert L. Hart

Inventor
Cincinnati, OH, US

Overview

15→
Patents
1976–2019
Patent span
Performing operations
Primary field (CPC B)

Patents· 15 as inventor

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

B60Rprimary
B60RVehicles, vehicle fittings, or vehicle parts, not otherwise provided for17%
G06QInformation and communication technology [ict] specially adapted for administrative, commercial, financial, managerial or supervisory purposes13%
B01DSeparation8%
B60QArrangement of signalling or lighting devices, the mounting or supporting thereof or circuits therefor, for vehicles in general8%
B62DMotor vehicles8%
G01NInvestigating or analysing materials by determining their chemical or physical properties8%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests8%
A61FFilters implantable into blood vessels4%
B25BTools or bench devices not otherwise provided for, for fastening, connecting, disengaging, or holding4%
B60JWindows, windscreens, non-fixed roofs, doors, or similar devices for vehicles4%

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1976–2019Patents assigned to HART ROBERT L (4)· patent assignee history
1976–1999Based in Indianapolis, IN, US· patent location history
1978–2012Patents assigned to HART ROBERT LEE (2)· patent assignee history
1992Based in Alton, IL, US· patent location history
1999Based in Golden, CO, US· patent location history
2011–2019Based in Cincinnati, OH, US· patent location history
2012–2014Patents assigned to HART JR ROBERT L (3)· patent assignee history
2012–2014Patents assigned to ROBBINS MICHAEL S (3)· patent assignee history
2012–2014Based in Olympia, WA, US· patent location history
2013–2014Patents assigned to ECOVA INC (2)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
HART ROBERT Lself41976–2019
HART JR ROBERT Lself32012–2014
ROBBINS MICHAEL S32012–2014
ECOVA INC22013–2014
HART ROBERT LEEself21978–2012
Locations
LocationPatentsSpan
Cincinnati, OH, US32011–2019
Olympia, Washington, US32012–2014
Indianapolis, IN, US31976–1999
Alton, Illinois, US21992
Golden, CO, US11999