LexDanaLexDanabeta
Inventor

David Chard

Inventor
Wolverhampton, GB

Overview

2→
Patents
2002–2004
Patent span
Fixed constructions
Primary field (CPC E)

Patents· 2 as inventor

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

E05Bprimary
E05BLocks17%
E05CBolts or fastening devices for wings, specially for doors or windows17%
E05DHinges or suspension devices for doors, windows or wings17%
E05FDevices for moving wings into open or closed position17%
E05YIndexing scheme associated with subclasses e05d and e05f, relating to construction elements, electric control, power supply, power signal or transmission, user interfaces, mounting or coupling, details, accessories, auxiliary operations not otherwise provided for, application thereof17%
F01DNon-positive displacement machines or engines, e.g. steam turbines17%
PatentTitleYear
6,722,845'Vane actuator'20046,477,807'Articulating door hinge system and door assembly'2002

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2002Patents assigned to WESTMILL IND LTD (1)· patent assignee history
2002Based in Lynden, WA, US· patent location history
2004Patents assigned to LUCAS INDUSTRIES LTD (1)· patent assignee history
2004Based in Wolverhampton, GB· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
LUCAS INDUSTRIES LTD12004
WESTMILL IND LTD12002
Locations
LocationPatentsSpan
Wolverhampton, GB12004
Lynden, Washington, US12002