LexDanaLexDanabeta
Inventor

David Howard Kerr

Inventor
Burscough, GB

Overview

7→
Patents
2005–2018
Patent span
Electricity
Primary field (CPC H)

Patents· 7 as inventor

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

H01Hprimary
H01HElectric switches50%
G01LMeasuring force, stress, torque, work, mechanical power, mechanical efficiency, or fluid pressure13%
H04BTransmission13%
LOC2313%
Y10TTechnical subjects covered by former us classification13%
PatentTitleYear
D0832989Fan20189,264,134'Automatic laser shutdown and recovery in response to a link break'20168,119,940'Contact block'20127,928,330'Safety switch'20117,800,004'Safety switch'20107,724,112'Safety switch'20106,941,816'Transducer with integral switch for wireless electronics'2005

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2005Based in Mendham, NJ, US· patent location history
2010–2012Patents assigned to ROCKWELL AUTOMATION LTD (3)· patent assignee history
2010–2012Based in Burscough, GB· patent location history
2016Patents assigned to COPELAND DAVID (1)· patent assignee history
2016Patents assigned to GLIESE ULRIK (1)· patent assignee history
2016Patents assigned to HAN YAN (1)· patent assignee history
2016Based in Ellicott City, MD, US· patent location history
2018Patents assigned to 02COOL LLC (1)· patent assignee history
2018Based in Hong Kong, CN· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
ROCKWELL AUTOMATION LTD32010–2012
02COOL LLC12018
COPELAND DAVID12016
GLIESE ULRIK12016
HAN YAN12016
Locations
LocationPatentsSpan
Burscough, GB42010–2012
Hong Kong, CN12018
Ellicott City, Maryland, US12016
Mendham, New Jersey, US12005