CB

Christopher Malcolm Birkin

D( Detnet South Africa (Pty): 21 patents #2 of 36Top 6%
Overall (All Time): #203,432 of 4,157,543Top 5%
21
Patents All Time

Issued Patents All Time

Showing 1–21 of 21 patents

Patent #TitleCo-InventorsDate
11879716 Method of validating a shock tube event Michiel Jacobus Kruger, Richard Joseph Michna, Daniel Auguste Maurissens, Andre Louis Koekemoer 2024-01-23
11852450 Method of assembling a detonator Michiel Jacobus Kruger, Richard Joseph Michna, Andre Louis Koekemoer 2023-12-26
11725920 Detonator sensing arrangement Michiel Jacobus Kruger, Richard Joseph Michna, Daniel Auguste Maurissens, Andre Louis Koekemoer 2023-08-15
11604055 Detonator construction Michiel Jacobus Kruger, Richard Joseph Michna, Andre Louis Koekemoer, Mark I. Jurras, III 2023-03-14
D923133 Clip for a detonator Michiel Jacobus Kruger, Andre Louis Koekemoer, Richard Joseph Michna, Daniel Auguste Maurissens 2021-06-22
D913402 Detonator structure Michiel Jacobus Kruger, Andre Louis Koekemoer, Richard Joseph Michna, Daniel Auguste Maurissens 2021-03-16
D907739 Detonator module Michiel Jacobus Kruger, Andre Louis Koekemoer, Richard Joseph Michna, Daniel Auguste Maurissens 2021-01-12
10890426 Detonator Albertus Abraham Labuschagne, Andre Louis Koekemoer, Craig Charles Schlenter, Elmar Lennox Muller 2021-01-12
D907166 Detonator module with a clip formation Michiel Jacobus Kruger, Andre Louis Koekemoer, Richard Joseph Michna, Daniel Auguste Maurissens 2021-01-05
D907164 Detonator module with retention formations Michiel Jacobus Kruger, Andre Louis Koekemoer, Richard Joseph Michna, Daniel Auguste Maurissens 2021-01-05
D907163 Detonator module with a friction lock structure Michiel Jacobus Kruger, Andre Louis Koekemoer, Richard Joseph Michna, Daniel Auguste Maurissens 2021-01-05
D907162 Detonator module with an overmould formation Michiel Jacobus Kruger, Andre Louis Koekemoer, Richard Joseph Michna, Daniel Auguste Maurlssens 2021-01-05
D907165 Detonator Michiel Jacobus Kruger, Andre Louis Koekemoer, Richard Joseph Michna, Daniel Auguste Maurissens 2021-01-05
10527395 Detonator Albertus Abraham Labuschagne, Andre Louis Koekemoer, Craig Charles Schlenter, Elmar Lennox Muller 2020-01-07
10006750 Blasting system control Riaan Van Wyk, Andre Louis Koekemoer, Trevor Watt 2018-06-26
9625244 Detonator including a sensing arrangement David Bruce Harding, Albertus Abraham Labuschagne, Andre Louis Koekemoer, Craig Charles Schlenter 2017-04-18
9250046 Detonator Johannes Petrus Kruger, Herman Van Der Walt 2016-02-02
9004933 Detonator assembly 2015-04-14
8991315 Detonator assembly Andre Louis Koekemoer, Craig Charles Schlenter, Albertus Abraham Labuschagne, Herman Van Der Walt 2015-03-31
8967048 Timing module David Bruce Harding, Albertus Abraham Labuschagne, Andre Louis Koekemoer, Craig Charles Schlenter 2015-03-03
8695505 Detonator Andre Louis Koekemoer, Johannes Petrus Kruger 2014-04-15