David Grimwade — 4 Patents at Amot Controls

David Grimwade has been granted 4 US patents while listed as an inventor at Amot Controls. The first was granted in 2014 and the most recent in July 2025. David Grimwade ranks #1,080,739 of 4,157,543 US inventors in our database (top 26.0%). Patent records list David Grimwade in Plymouth, GB.

Patents per Year

Issued Patents All Time

Showing 1–4 of 4 patents

Patent #	Title	Co-Inventors	Date
12371859	Rail clamp connector	Neil Algar, Craig Mulvay	2025-07-29
11362345	Cooling module for a fuel cell system and method of detecting flowable coolant in a fuel cell system	Pratap Rama, Nathaniel Palmer, Sophie Charlotte Harris, Prajwal Nirwan	2022-06-14
9494087	Stick-resistant engine over-speed shut-down valve	David Brett, Simon Davies	2016-11-15
8899257	Disc assembly for a valve and method of making the same	Kamyar Molavi, Ken McClymonds	2014-12-02

David Grimwade — 4 Patents

Patents per Year

Issued Patents All Time

Patent Widget