Description
Class F42D : BLASTING
Subclass 1/18: Blasting methods or apparatus, e.g. for loading or tamping Tamping methods; Methods for loading boreholes with explosives; Apparatus therefor Plugs for boreholes
F42D 1/18
Sub-Class
Stats
- 18 US PATENTS IN FORCE
- 6 US APPLICATIONS PENDING
- 4 Total Patent Owners
- 40 TOTAL INVENTORS
Recent Patents
| Patent # | Title | Filing Date | Issue Date | Patent Owner |
|---|---|---|---|---|
| 12209852 | Blasting system and a method of explosive material charging | Oct 20, 21 | Jan 28, 25 | Luossavaara-Kiirunavaara AB |
| 12117282 | Primer delivery systems and methods | Mar 01, 23 | Oct 15, 24 | Dyno Nobel Asia Pacific Pty Limited |
| 11976913 | Borehole plugging device | Dec 19, 17 | May 07, 24 | Mining Technologies RT JSC |
| 11927065 | Well tool device for forming a permanent barrier in a well | Sep 21, 20 | Mar 12, 24 | INTERWELL P&A AS |
| 11333474 | Apparatus and method for blasting | Aug 04, 17 | May 17, 22 | EXPLOSIVE ALTERNATIVES, INC. |
| 11150068 | Stemming plugs | Nov 20, 17 | Oct 19, 21 | Rise Mining Development Pty Ltd |
| 11060832 | Blasting method and system | Mar 23, 18 | Jul 13, 21 | PWS SYSTEMS PTY LTD |
| 10942017 | Inflatable blasthole plug assembly | Nov 27, 17 | Mar 09, 21 | Four Flags Pty Ltd |
| 10816312 | Integrated hole sealing device for loosening blasting and water injection of underground deep hole | Oct 29, 18 | Oct 27, 20 | China University of Mining and Technology; XUZHOU BOAN SCIENCE & TECHNOLOGY DEVELOPMENT CO., LTD; |
| 10619987 | Blasthole guards and related systems and methods | Jan 02, 19 | Apr 14, 20 | Dyno Nobel Inc. |
| 10577886 | Drill hole plug with anchoring grooves and at least one sealing groove | Dec 22, 14 | Mar 03, 20 | Rise Mining Developments Pty Ltd |
| 10450818 | Fluid release mechanism for a chemically-inflatable bag | May 09, 17 | Oct 22, 19 | STEMLOCK, INCORPORATED |
| 10222191 | Composition and method for blast hole loading | Apr 16, 15 | Mar 05, 19 | Blast Boss PTY LTD |
| 9846020 | Method and arrangement for providing explosive charging into a bore hole | Apr 10, 15 | Dec 19, 17 | Normet Oy |
| 9816794 | Blasting plug | Jan 17, 17 | Nov 14, 17 | Not available |
| 9677358 | Fluid release mechanism for a chemically-inflatable bag | Jan 28, 14 | Jun 13, 17 | Stemlock, Incorporated |
| 9243878 | Borehole plug inflation control | Jan 20, 12 | Jan 26, 16 | Crinum IP Pty Ltd |
| 8136449 | Explosive powder plug and method of using the same | May 17, 10 | Mar 20, 12 | Not available |
Recent Publications
| Publication # | Title | Filing Date | Pub Date | Patent Owner |
|---|---|---|---|---|
| 2024/0230,303 | WEDGING ARRANGEMENT TO PLUG A BLAST HOLE | Sep 28, 21 | Jul 11, 24 | Not available |
| 2020/0182,597 | INTEGRATED HOLE SEALING DEVICE FOR LOOSENING BLASTING AND WATER INJECTION OF UNDERGROUND DEEP HOLE | Oct 29, 18 | Jun 11, 20 | China University of Mining and Technology; XUZHOU BOAN SCIENCE & TECHNOLOGY DEVELOPMENT CO., LTD; |
| 2020/0103,212 | APPARATUS AND METHOD FOR BLASTING | Dec 03, 19 | Apr 02, 20 | Explosive Alternatives LLC |
| 2019/0331,471 | INFLATABLE BLASTHOLE PLUG ASSEMBLY | Nov 27, 17 | Oct 31, 19 | Not available |
| 2019/0195,606 | MECHANICAL BLASTHOLE STEMMING DEVICE FOR BLASTING OPERATIONS | Nov 10, 16 | Jun 27, 19 | Not available |
| 2018/0328,703 | Blast Plug | Oct 26, 16 | Nov 15, 18 | Not available |
Top Owners in This Subclass
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Patents Issued To Date - By Filing Year
Average Time to Issuance
- 31 Months (last 2 years Issuances)
- 31 Months (last 5 years Issuances)