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Inventor

Darrel G. Walker

Inventor
Richardson, TX, US

Overview

3→
Patents
2009–2021
Patent span
Electricity
Primary field (CPC H)

Patents· 3 as inventor

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

A23Lprimary
A23LFoods, foodstuffs or non-alcoholic beverages, not otherwise provided for13%
A47JKitchen equipment13%
C09DCoating compositions, e.g. paints, varnishes or lacquers13%
G08BSignalling systems, e.g. personal calling systems13%
H01LSemiconductor devices13%
H04NPictorial communication, e.g. television13%
H04QSelecting13%
H10KOrganic electric solid-state devices13%
PatentTitleYear
10,954,403Ink composition of an organic functional material20219,232,157'Apparatus, system and method for electronic motion detection'20167,619,188'Apparatus and method for cooking dehydrated powdered food'2009

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2009Patents assigned to BENDALL INNOVATIONS INC (1)· patent assignee history
2009–2016Based in Richardson, TX, US· patent location history
2016Patents assigned to WALKER DARREL G (1)· patent assignee history
2016Patents assigned to WILLIS CLAYTON D (1)· patent assignee history
2016Patents assigned to WILLIS JEREMY D (1)· patent assignee history
2021Patents assigned to MERCK PATENT GMBH (1)· patent assignee history
2021Based in Southampton, GB· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
BENDALL INNOVATIONS INC12009
MERCK PATENT GMBH12021
WALKER DARREL Gself12016
WILLIS CLAYTON D12016
WILLIS JEREMY D12016
Locations
LocationPatentsSpan
Richardson, Texas, US22009–2016
Southampton, GB12021