Clive Johnstone — 12 Patents at Jsp

Clive Johnstone has been granted 12 US patents while listed as an inventor at Jsp. The first was granted in 2013 and the most recent in January 2023. Clive Johnstone ranks #396,045 of 4,157,543 US inventors in our database (top 9.5%). Patent records list Clive Johnstone in Felton, GB.

Issued Patents All Time

Showing 1–12 of 12 patents

Patent #	Title	Co-Inventors	Date	Approx Value ⓘ
11564841	Hearing protection headset	Stephen Francis Sanders	2023-01-31	$133,000
11554275	Full face respirator	Tom Malloy, Matthew Neal Judson	2023-01-17	$139,000
11540567	Filter frame	Stephen Francis Sanders, Gavin Christopher Shaw, Matthew Neal Judson	2023-01-03	$107,000
11510451	Chin strap for a safety helmet	Stephen Francis Sanders	2022-11-29	$102,000
11497260	Personal respiratory protection device and method of manufacturing a personal respiratory protection device	Matthew Neal Judson	2022-11-15	$117,000
11160323	Visor carrier assembly	Stephen Francis Sanders, Jack Wyld	2021-11-02
10709194	Powered air respirator kit	Stephen John Hare, Andre Broodryk	2020-07-14
10687574	Protective headgear	Mark Williams	2020-06-23
9750960	Respiratory mask and filter cartridge therefor	Richard James Fleming, Matthew Neal Judson	2017-09-05
D757248	Respiratory mask filter	Richard James Fleming, Matthew Neal Judson	2016-05-24
8757151	Headgear-mountable respirator	Stephen John Hare	2014-06-24
8365732	Wearable protective device	—	2013-02-05

Clive Johnstone — 12 Patents

Issued Patents All Time

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