B27K 2240/30
Fireproofing
B27K2240/30 (Fireproofing) appears on 174 US grants and 165 published applications in this corpus.
Search patents in B27K- Granted patents
- 174
- Published applications
- 165
- Assignees
- 139
- Inventors
- 336
- Latest grant
- 15 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 13 | 0 |
| 1977 | 6 | 0 |
| 1978 | 1 | 0 |
| 1979 | 2 | 0 |
| 1980 | 3 | 0 |
| 1981 | 2 | 0 |
| 1982 | 1 | 0 |
| 1983 | 1 | 0 |
| 1984 | 2 | 0 |
| 1985 | 2 | 0 |
| 1986 | 2 | 0 |
| 1987 | 5 | 0 |
| 1988 | 6 | 0 |
| 1989 | 8 | 0 |
| 1990 | 2 | 0 |
| 1991 | 0 | 0 |
| 1992 | 3 | 0 |
| 1993 | 1 | 0 |
| 1994 | 0 | 0 |
| 1995 | 1 | 0 |
| 1996 | 1 | 0 |
| 1997 | 4 | 0 |
| 1998 | 1 | 0 |
| 1999 | 2 | 0 |
| 2000 | 3 | 0 |
| 2001 | 5 | 3 |
| 2002 | 1 | 3 |
| 2003 | 4 | 5 |
| 2004 | 1 | 4 |
| 2005 | 1 | 6 |
| 2006 | 2 | 4 |
| 2007 | 5 | 3 |
| 2008 | 1 | 6 |
| 2009 | 1 | 6 |
| 2010 | 5 | 4 |
| 2011 | 4 | 6 |
| 2012 | 1 | 3 |
| 2013 | 4 | 3 |
| 2014 | 4 | 6 |
| 2015 | 2 | 5 |
| 2016 | 2 | 2 |
| 2017 | 2 | 7 |
| 2018 | 5 | 8 |
| 2019 | 7 | 17 |
| 2020 | 6 | 12 |
| 2021 | 8 | 14 |
| 2022 | 6 | 9 |
| 2023 | 8 | 10 |
| 2024 | 6 | 10 |
| 2025 | 9 | 4 |
| 2026 | 2 | 5 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Method for producing a wooden composite board, and device for producing a wooden composite board15 Sep 2026US 12,734,723 B2SWISS KRONO Tec AG
- Method for preventing damage caused by a fire20 Jan 2026US 12,528,990 B2Success World, S.L.
- Wood composites and processes to modify same using stable, low pH aqueous silicate suspensions30 Dec 2025US 12,508,737 B2T2Earth Holdings LLC
- Green process for modifying wood2 Dec 2025US 12,485,570 B2T2Earth Holdings LLC
- Method for the modification of wood materials to improve mechanical properties, water resistance and flame retardancy by utilizing a combination of mineralization with infusion and polymerization of biopolymers18 Nov 2025US 12,472,658 B1Hema High-Tech Eco Materials Joint Stock Company
- Process To Make Silicate Functionalized Engineered Wood Articles With Improved Properties9 Jul 2026US 2026/0192485 A1T2Earth Holdings LLC
- Method for modifying wood and products thereof28 May 2026US 2026/0145359 A1Rakauco Limited
- Environmentally-clean fire inhibiting biochemical compositions, solutions and powders, and methods of and apparatus for producing fire protected wood products12 Mar 2026US 2026/0069911 A1Mighty Fire Breaker LLC
- Bamboo with single-sided densification on bamboo inner layer, and preparation method and use thereof5 Mar 2026US 2026/0061658 A1International Centre for Bamboo and Rattan
- Environmentally-clean water-based fire inhibiting biochemical compositions, solutions, powders and methods of and apparatus for producing fire protected wood and engineered wood products15 Jan 2026US 2026/0014403 A1Mighty Fire Breaker LLC
Most cited
By later US patents
- Fire retardant compositions and methods for preserving wood products255US 6,620,349 B12003
- Process for the preservation of wood63US 3,968,276 ADiversified Wood Products, Inc. · 1976
- Fire retarding composition and a method for impregnation of a combustible material58US 6,042,639 AFireguard Scandinavia AS · 2000
- Molten salt method of producing fire resistant wood articles52US 3,935,343 AUnited States Gypsum Company · 1976
- Hardened and fire retardant wood products51US 5,609,915 ATriangle Pacific Corporation · 1997