Inventor

Malcolm William Gray

Inventor

Crawley, GB

Overview

2007–2018

Patent span

Mechanical engineering

Primary field (CPC F)

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

F04Cprimary

F04CRotary-piston, or oscillating-piston, positive-displacement machines for liquids25%

E21BEarth or rock drilling13%

Y10TTechnical subjects covered by former us classification13%

B21DWorking or processing of sheet metal or metal tubes, rods or profiles without essentially removing material6%

C22CAlloys6%

F04BPositive-displacement machines for liquids6%

F04DNon-positive-displacement pumps6%

G06FElectric digital data processing6%

G06TImage data processing or generation, in general6%

H04NPictorial communication, e.g. television6%

PatentTitleYear

Assembled from patent assignee/location history and declaration credentials.

2007Patents assigned to BOC GROUP PLC (1)· patent assignee history

2007–2018Based in Crawley, GB· patent location history

2010–2012Patents assigned to ENVENTURE GLOBAL TECHNOLOGY (2)· patent assignee history

2010–2012Based in Houston, TX, US· patent location history

2012–2015Patents assigned to GRAY MALCOLM (2)· patent assignee history

2015–2018Patents assigned to EDWARDS LTD (3)· patent assignee history

2015–2016Patents assigned to GRAY MALCOLM WILLIAM (2)· patent assignee history

2015Based in Sunnyvale, CA, US· patent location history

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
EDWARDS LTD	3	2015–2018
ENVENTURE GLOBAL TECHNOLOGY	2	2010–2012
GRAY MALCOLMself	2	2012–2015
GRAY MALCOLM WILLIAMself	2	2015–2016
BOC GROUP PLC	1	2007

Locations