C09K 3/12
Materials for stopping leaks
Official title: Materials for stopping leaks, e.g. in radiators, in tanks (filling pastes C09D5/34)
C09K3/12 (Materials for stopping leaks) appears on 102 US grants and 79 published applications in this corpus.
Search patents in C09K- Granted patents
- 102
- Published applications
- 79
- Assignees
- 71
- Inventors
- 176
- Latest grant
- 9 Dec 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 2 | 0 |
| 1978 | 2 | 0 |
| 1979 | 1 | 0 |
| 1980 | 4 | 0 |
| 1981 | 1 | 0 |
| 1982 | 1 | 0 |
| 1983 | 2 | 0 |
| 1984 | 5 | 0 |
| 1985 | 3 | 0 |
| 1986 | 0 | 0 |
| 1987 | 3 | 0 |
| 1988 | 4 | 0 |
| 1989 | 2 | 0 |
| 1990 | 1 | 0 |
| 1991 | 2 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 2 | 0 |
| 1995 | 2 | 0 |
| 1996 | 1 | 0 |
| 1997 | 1 | 0 |
| 1998 | 0 | 0 |
| 1999 | 1 | 0 |
| 2000 | 2 | 0 |
| 2001 | 2 | 0 |
| 2002 | 3 | 5 |
| 2003 | 1 | 2 |
| 2004 | 4 | 2 |
| 2005 | 1 | 3 |
| 2006 | 1 | 1 |
| 2007 | 2 | 2 |
| 2008 | 0 | 3 |
| 2009 | 0 | 1 |
| 2010 | 3 | 2 |
| 2011 | 3 | 6 |
| 2012 | 0 | 2 |
| 2013 | 2 | 3 |
| 2014 | 2 | 1 |
| 2015 | 1 | 3 |
| 2016 | 3 | 6 |
| 2017 | 2 | 8 |
| 2018 | 5 | 6 |
| 2019 | 6 | 7 |
| 2020 | 4 | 5 |
| 2021 | 3 | 2 |
| 2022 | 1 | 2 |
| 2023 | 1 | 3 |
| 2024 | 5 | 1 |
| 2025 | 3 | 2 |
| 2026 | 0 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Material for locating gas leak, method for locating gas leak, material for repairing gas leak, method for repairing gas leak, and device for repairing gas leak9 Dec 2025US 12,492,268 B2Dexerials Corporation
- Silicate-modified polymer grouting material for leakage plugging14 Oct 2025US 12,441,921 B2Huizhou Mingsheng Chemical Materials Co., LTD.
- Waterproofing method using acrylic material26 Aug 2025US 12,398,306 B2Made Waterproof Inc.
- Repairing material for liquid leakage, repairing method for liquid leakage, and pipeline31 Dec 2024US 12,180,406 B2Dexerials Corporation
- Polyamide-based composition for pipes containing oil or gas13 Aug 2024US 12,060,516 B2Arkema France
- Method of sealing a fluid leakage path1 Oct 2026US 2026/0298344 A1Origin Tech Ltd
- Vacuum insulated panel with glass substrates having edge(s) with reduced surface roughness and/or seal designed to reduce stress6 Nov 2025US 2025/0341129 A1LuxWall, Inc.
- Aqueous polymer emulsion and use thereof27 Feb 2025US 2025/0066599 A1
- Self-healing water-swellable hydraulic seal26 Sep 2024US 2024/0318059 A1Danfoss A/S
- Material for locating gas leak, method for locating gas leak, material for repairing gas leak, method for repairing gas leak, and device for repairing gas leak13 Apr 2023US 2023/0113758 A1Dexerials Corporation
Most cited
By later US patents
- Highly absorbent resin73US 4,389,513 AKuraray Co., Ltd. · 1983
- Process for the sealing and internal repair of systems of laid conduits39US 5,499,659 A1996
- Process for the sealing and internal repair of systems of laid conduits38US 5,622,209 A1997
- Refrigeration leak sealant and method27US 4,487,707 A1984
- Methods and systems for coating and sealing inside piping systems27US 7,858,149 B2Pipe Restoration Technologies, LLC · 2010