B32B 11/00
Layered products comprising a layer of bituminous or tarry substances
Official title: Layered products comprising {a layer of} bituminous or tarry substances
B32B11/00 (Layered products comprising a layer of bituminous or tarry substances) appears on 396 US grants and 464 published applications in this corpus.
Search patents in B32B- Granted patents
- 396
- Published applications
- 464
- Assignees
- 225
- Inventors
- 811
- Latest grant
- 23 Jun 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 2 | 0 |
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 5 | 0 |
| 1981 | 5 | 0 |
| 1982 | 4 | 0 |
| 1983 | 5 | 0 |
| 1984 | 3 | 0 |
| 1985 | 5 | 0 |
| 1986 | 4 | 0 |
| 1987 | 6 | 0 |
| 1988 | 5 | 0 |
| 1989 | 3 | 0 |
| 1990 | 8 | 0 |
| 1991 | 5 | 0 |
| 1992 | 5 | 0 |
| 1993 | 1 | 0 |
| 1994 | 4 | 0 |
| 1995 | 3 | 0 |
| 1996 | 4 | 0 |
| 1997 | 4 | 0 |
| 1998 | 8 | 0 |
| 1999 | 5 | 0 |
| 2000 | 5 | 0 |
| 2001 | 5 | 3 |
| 2002 | 3 | 6 |
| 2003 | 5 | 14 |
| 2004 | 6 | 20 |
| 2005 | 3 | 28 |
| 2006 | 6 | 17 |
| 2007 | 7 | 15 |
| 2008 | 5 | 16 |
| 2009 | 11 | 16 |
| 2010 | 11 | 21 |
| 2011 | 13 | 18 |
| 2012 | 13 | 13 |
| 2013 | 11 | 14 |
| 2014 | 6 | 12 |
| 2015 | 12 | 20 |
| 2016 | 19 | 26 |
| 2017 | 14 | 13 |
| 2018 | 10 | 24 |
| 2019 | 16 | 39 |
| 2020 | 22 | 25 |
| 2021 | 20 | 25 |
| 2022 | 16 | 28 |
| 2023 | 23 | 17 |
| 2024 | 21 | 12 |
| 2025 | 14 | 17 |
| 2026 | 4 | 5 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Asphalt reinforcement comprising asphalt emulsion-impregnated nonwoven fabric and method of repairing pavement using the same23 Jun 2026US 12,662,778 B2A-One Yoo Hwa
- Waterproof sheet for forming a slab guard28 Apr 2026US 12,611,853 B2Dmx Membranes Limited
- Bonding adhesive and adhered roofing systems prepared using the same14 Apr 2026US 12,601,178 B2Amrize Technology Switzerland LLC
- Composition for a water permeable court surface and method for production of same17 Feb 2026US 12,553,192 B2Poraflex Ltd
- Separation sheet and use thereof for providing waterproofed structures16 Dec 2025US 12,497,545 B2Sika Technology AG
- Waterproof sheet for forming a slab guard13 Aug 2026US 2026/0233503 A1Dmx Membranes Limited
- A multilayer protection board for concrete structures13 Aug 2026US 2026/0234927 A1Innobit Industries LLC
- Pressure sensitive adhesive composition having improved heat-stability and use thereof6 Aug 2026US 2026/0226323 A1Sika Technology AG
- Flame-resistant roofing underlayment and support layer thereof22 Jan 2026US 2026/0022561 A1POLITEX s.a.s. di FREUDENBERG POLITEX s.r.l.
- Flame-resistant roofing underlayment and support layer thereof22 Jan 2026US 2026/0022562 A1
Most cited
By later US patents
- Low odor faced insulation assembly145US 7,556,849 B2Johns Manville · 2009
- Roofing membrane and method95US 4,992,315 AGAF Buildinhg Materials Corp. · 1991
- Method of forming an improved roofing material95US 6,933,007 B2The Garland Company, Inc. · 2005
- Composite panel94US 4,073,997 AOwens-Corning Fiberglas Corporation · 1978
- Roofing material with fibrous mat90US 6,296,912 B1Northern Elastomeric, Inc. · 2001