E04B 2/88
Curtain walls
Official title: Curtain walls {(fixing of glass panes E06B3/54)}
E04B2/88 (Curtain walls) appears on 743 US grants and 683 published applications in this corpus.
Search patents in E04B- Granted patents
- 743
- Published applications
- 683
- Assignees
- 392
- Inventors
- 1,031
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 12 | 0 |
| 1977 | 12 | 0 |
| 1978 | 9 | 0 |
| 1979 | 1 | 0 |
| 1980 | 3 | 0 |
| 1981 | 7 | 0 |
| 1982 | 1 | 0 |
| 1983 | 3 | 0 |
| 1984 | 7 | 0 |
| 1985 | 20 | 0 |
| 1986 | 24 | 0 |
| 1987 | 19 | 0 |
| 1988 | 8 | 0 |
| 1989 | 11 | 0 |
| 1990 | 10 | 0 |
| 1991 | 19 | 0 |
| 1992 | 4 | 0 |
| 1993 | 11 | 0 |
| 1994 | 5 | 0 |
| 1995 | 5 | 0 |
| 1996 | 3 | 0 |
| 1997 | 8 | 0 |
| 1998 | 7 | 0 |
| 1999 | 3 | 0 |
| 2000 | 4 | 0 |
| 2001 | 5 | 1 |
| 2002 | 6 | 6 |
| 2003 | 7 | 10 |
| 2004 | 7 | 14 |
| 2005 | 3 | 10 |
| 2006 | 6 | 13 |
| 2007 | 2 | 11 |
| 2008 | 5 | 12 |
| 2009 | 8 | 13 |
| 2010 | 19 | 29 |
| 2011 | 8 | 25 |
| 2012 | 11 | 23 |
| 2013 | 27 | 25 |
| 2014 | 25 | 32 |
| 2015 | 38 | 31 |
| 2016 | 28 | 31 |
| 2017 | 31 | 40 |
| 2018 | 26 | 41 |
| 2019 | 47 | 57 |
| 2020 | 38 | 44 |
| 2021 | 37 | 36 |
| 2022 | 24 | 51 |
| 2023 | 31 | 43 |
| 2024 | 31 | 36 |
| 2025 | 33 | 26 |
| 2026 | 24 | 23 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Transverse-type building exterior block and method for constructing the same6 Oct 2026US 12,753,603 B2Kwang Steel Co., Ltd.
- Building integrated photovoltaic (BIPV) curtain wall system29 Sep 2026US 12,750,003 B2The University of North Carolina at Charlotte
- Mullions, mullion components and assemblies, and methods of assembly and installation1 Sep 2026US 12,723,406 B1INTUS Windows LLC
- Method for changing building envelope function1 Sep 2026US 12,723,465 B2Samoo Architects&Engineers Co.,Ltd
- Architectural structure comprising pivoting suspended tiles18 Aug 2026US 12,709,894 B2Lang and Fulton Limited
- Curtainwall anchor systems and methods24 Sep 2026US 2026/0286687 A1New Hudsen Facades, LLC
- Minimalist curtain wall24 Sep 2026US 2026/0286688 A1Bbg, S.A.
- Minimalist curtain wall24 Sep 2026US 2026/0286689 A1Bbg, S.A.
- System and method for the spaced-apart fastening of curtain walling panels10 Sep 2026US 2026/0266049 A1EJOT GmbH & Co. KG
- System and method for a glass panel support structure utilizing only vertical framing16 Jul 2026US 2026/0201695 A1Innovation Glass, LLC
Most cited
By later US patents
- Deflection slide clip186US 6,213,679 B1Super Stud Building Products, Inc. · 2001
- Connector for connecting two building members together that permits relative movement between the building members133US 7,104,024 B1The Steel Network, Inc. · 2006
- Curtain-wall masonry-veneer anchor system113US 4,473,984 A1984
- Curtain wall structure105US 5,253,459 ARobertson-Ceco Corporation · 1993
- Deflection slide clip102US 5,846,018 ASuper Stud Building Products, Inc. · 1998