Inventor · disambiguated record
Richard Joseph Michna
Also filed as: MICHNA RICHARD J · MICHNA RICHARD JOSEPH
16 granted patents·1 pending application·139 citations·filing 1990–2021
89Inventor score
Top patents by PatentIndex Score
17 records- 0187US5171935ALow-energy blasting initiation system method and surface connection thereofENSIGN BICKFORD CO·Filed 1992·Granted Dec 15, 1992·71 cites·3 claims
- 0285US11604055B2Detonator constructionDETNET SOUTH AFRICA PTY LTD·Filed 2020·Granted Mar 14, 2023·2 cites·10 claims
- 0373US5012741AInitiator for a transmission tubeENSIGN BICKFORD CO·Filed 1990·Granted May 7, 1991·29 cites·4 claims
- 0472US5398611ALow energy blasting initiation system, method and surface connection thereforENSIGN BICKFORD CO·Filed 1993·Granted Mar 21, 1995·36 cites·18 claims
- 0556US11725920B2Detonator sensing arrangementDETNET SOUTH AFRICA PTY LTD·Filed 2020·Granted Aug 15, 2023·0 cites·13 claims
- 0651US11879716B2Method of validating a shock tube eventDETNET SOUTH AFRICA PTY LTD·Filed 2020·Granted Jan 23, 2024·0 cites·16 claims
- 0751US11473882B2Canister assembly with protected cap well and booster explosive comprising the sameDYNO NOBEL INC·Filed 2021·Granted Oct 18, 2022·0 cites·15 claims
- 0839US11852450B2Method of assembling a detonatorDETNET SOUTH AFRICA PTY LTD·Filed 2020·Granted Dec 26, 2023·0 cites·6 claims
- 0938US2011083574A1Logger device for blasting operations and method of useDYNO NOBEL INC·Filed 2010·Application pending·0 cites
- 1035USD913402SDetonator structureDETNET SOUTH AFRICA PTY LTD·Filed 2019·Granted Mar 16, 2021·1 cites·1 claims
- 1130USD923133SClip for a detonatorDETNET SOUTH AFRICA PTY LTD·Filed 2019·Granted Jun 22, 2021·0 cites·1 claims
- 1230USD907739SDetonator moduleDETNET SOUTH AFRICA PTY LTD·Filed 2019·Granted Jan 12, 2021·0 cites·1 claims
- 1330USD907166SDetonator module with a clip formationDETNET SOUTH AFRICA PTY LTD·Filed 2019·Granted Jan 5, 2021·0 cites·1 claims
- 1430USD907164SDetonator module with retention formationsDETNET SOUTH AFRICA PTY LTD·Filed 2019·Granted Jan 5, 2021·0 cites·1 claims
- 1530USD907163SDetonator module with a friction lock structureDETNET SOUTH AFRICA PTY LTD·Filed 2019·Granted Jan 5, 2021·0 cites·1 claims
- 1630USD907165SDetonatorDETNET SOUTH AFRICA PTY LTD·Filed 2019·Granted Jan 5, 2021·0 cites·1 claims
- 1726USD907162SDetonator module with an overmould formationDETNET SOUTH AFRICA PTY LTD·Filed 2019·Granted Jan 5, 2021·0 cites·1 claims
Join the waitlist — get patent alerts
Get an alert when Richard Joseph Michna files or is granted a new patent.
We store only your email — no account needed. See our privacy policy.
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →