Inventor
Christopher Malcolm Birkin
Inventor
Sandton, ZA
Overview
Patents· 17 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
F42Dprimary
F42DBlasting24%
LOC2224%
F42BExplosive charges, e.g. for blasting, fireworks, ammunition21%
F42CAmmunition fuzes18%
G04FTime-interval measuring12%
H01RElectrically-conductive connections3%
PatentTitleYear
D0923133Clip for a detonator2021D0913402Detonator structure2021D0907739Detonator module202110,890,426Detonator2021D0907165Detonator2021D0907164Detonator module with retention formations2021D0907163Detonator module with a friction lock structure2021D0907166Detonator module with a clip formation2021D0907162Detonator module with an overmould formation202110,527,395Detonator202010,006,750Blasting system control20189,625,244'Detonator including a sensing arrangement'20179,250,046'Detonator'20169,004,933'Detonator assembly'20158,991,315'Detonator assembly'20158,967,048'Timing module'20158,695,505'Detonator'2014Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
2014–2021Patents assigned to DETNET SOUTH AFRICA PTY LTD (15)· patent assignee history
2014–2015Patents assigned to BIRKIN CHRISTOPHER MALCOLM (4)· patent assignee history
2014–2015Patents assigned to KOEKEMOER ANDRE LOUIS (2)· patent assignee history
2014–2021Based in Centurion, ZA· patent location history
2015Patents assigned to SCHLENTER CRAIG CHARLES (2)· patent assignee history
2015–2021Based in Sandton, ZA· patent location history
2017Patents assigned to DETNET SOUTH AFRICA (PTY) LTD (1)· patent assignee history
2018Based in Woodmead, ZA· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| DETNET SOUTH AFRICA PTY LTD | 15 | 2014–2021 |
| BIRKIN CHRISTOPHER MALCOLMself | 4 | 2014–2015 |
| KOEKEMOER ANDRE LOUIS | 2 | 2014–2015 |
| SCHLENTER CRAIG CHARLES | 2 | 2015 |
| DETNET SOUTH AFRICA (PTY) LTD | 1 | 2017 |
Locations
| Location | Patents | Span |
|---|---|---|
| Sandton, ZA | 10 | 2015–2021 |
| Centurion, ZA | 6 | 2014–2021 |
| Woodmead, ZA | 1 | 2018 |