Richard Joseph Michna

Person

  • Barkhamsted, CT, US

Patents Grantslast 30 patents

  • Information Patent Grant

    Method of validating a shock tube event

    • Patent number 11,879,716
    • Issue date Jan 23, 2024
    • DETNET SOUTH AFRICA (PTY) LTD
    • Michiel Jacobus Kruger
    • F42 - AMMUNITION BLASTING
  • Information Patent Grant

    Method of assembling a detonator

    • Patent number 11,852,450
    • Issue date Dec 26, 2023
    • DETNET SOUTH AFRICA (PTY) LTD
    • Christopher Malcolm Birkin
    • F42 - AMMUNITION BLASTING
  • Information Patent Grant

    Detonator sensing arrangement

    • Patent number 11,725,920
    • Issue date Aug 15, 2023
    • DETNET SOUTH AFRICA (PTY) LTD
    • Michiel Jacobus Kruger
    • F42 - AMMUNITION BLASTING
  • Information Patent Grant

    Detonator construction

    • Patent number 11,604,055
    • Issue date Mar 14, 2023
    • DETNET SOUTH AFRICA (PTY) LTD
    • Christopher Malcolm Birkin
    • F42 - AMMUNITION BLASTING
  • Information Patent Grant

    Clip for a detonator

    • Patent number D923133
    • Issue date Jun 22, 2021
    • Detnet South Africa (Pty) Ltd.
    • Michiel Jacobus Kruger
    • D22 - Arms, pyrotechnics, hunting and fishing equipment
  • Information Patent Grant

    Detonator structure

    • Patent number D913402
    • Issue date Mar 16, 2021
    • Detnet South Africa (Pty) Ltd.
    • Michiel Jacobus Kruger
    • D22 - Arms, pyrotechnics, hunting and fishing equipment
  • Information Patent Grant

    Detonator module

    • Patent number D907739
    • Issue date Jan 12, 2021
    • Detnet South Africa (Pty) Ltd.
    • Michiel Jacobus Kruger
    • D22 - Arms, pyrotechnics, hunting and fishing equipment
  • Information Patent Grant

    Detonator module with an overmould formation

    • Patent number D907162
    • Issue date Jan 5, 2021
    • Detnet South Africa (Pty) Ltd.
    • Michiel Jacobus Kruger
    • D22 - Arms, pyrotechnics, hunting and fishing equipment
  • Information Patent Grant

    Detonator module with retention formations

    • Patent number D907164
    • Issue date Jan 5, 2021
    • Detnet South Africa (Pty) Ltd.
    • Michiel Jacobus Kruger
    • D22 - Arms, pyrotechnics, hunting and fishing equipment
  • Information Patent Grant

    Detonator module with a friction lock structure

    • Patent number D907163
    • Issue date Jan 5, 2021
    • Detnet South Africa (Pty) Ltd.
    • Michiel Jacobus Kruger
    • D22 - Arms, pyrotechnics, hunting and fishing equipment
  • Information Patent Grant

    Detonator

    • Patent number D907165
    • Issue date Jan 5, 2021
    • Detnet South Africa (Pty) Ltd.
    • Michiel Jacobus Kruger
    • D22 - Arms, pyrotechnics, hunting and fishing equipment
  • Information Patent Grant

    Detonator module with a clip formation

    • Patent number D907166
    • Issue date Jan 5, 2021
    • Detnet South Africa (Pty) Ltd.
    • Michiel Jacobus Kruger
    • D22 - Arms, pyrotechnics, hunting and fishing equipment

Patents Applicationslast 30 patents