Inventor

Daniel R. Murphy

Inventor

Norwalk, CT, US

Overview

1989–2021

Patent span

Physics

Primary field (CPC G)

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

A61Bprimary

A61BDiagnosis11%

F21VFunctional features or details of lighting devices or systems thereof11%

F21WIndexing scheme associated with subclasses f21k, f21l, f21s and f21v, relating to uses or applications of lighting devices or systems11%

G06FElectric digital data processing11%

G06QInformation and communication technology [ict] specially adapted for administrative, commercial, financial, managerial or supervisory purposes11%

G08BSignalling systems, e.g. personal calling systems11%

H05BElectric heating11%

Y02BClimate change mitigation technologies related to buildings, e.g. housing, house appliances or related end-user applications11%

G01RMeasuring electric variables6%

G02BOptical elements, systems or apparatus6%

PatentTitleYear

Assembled from patent assignee/location history and declaration credentials.

1989–2007Patents assigned to TEKTRONIX INC (2)· patent assignee history

1989–2007Based in Beaverton, OR, US· patent location history

2014–2016Patents assigned to MURPHY DANIEL R (2)· patent assignee history

2014–2016Based in Grandview, TX, US· patent location history

2021Patents assigned to SYNCHRONY BANK (2)· patent assignee history

2021Based in Norwalk, CT, US· patent location history

Assignee and location history derived from the patent record.

Assignees

Locations