E04C 3/46
Of materials not covered by groups e04c3/40 - e04c3/44
Official title: of materials not covered by groups E04C3/40 - E04C3/44; of a combination of two or more materials
E04C3/46 (Of materials not covered by groups e04c3/40 - e04c3/44) appears on 55 US grants and 43 published applications in this corpus.
Search patents in E04C- Granted patents
- 55
- Published applications
- 43
- Assignees
- 29
- Inventors
- 99
- Latest grant
- 18 Feb 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 2 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 1 | 0 |
| 1994 | 1 | 0 |
| 1995 | 1 | 0 |
| 1996 | 1 | 0 |
| 1997 | 3 | 0 |
| 1998 | 1 | 0 |
| 1999 | 0 | 0 |
| 2000 | 4 | 0 |
| 2001 | 2 | 0 |
| 2002 | 3 | 1 |
| 2003 | 3 | 2 |
| 2004 | 0 | 2 |
| 2005 | 1 | 2 |
| 2006 | 2 | 2 |
| 2007 | 0 | 1 |
| 2008 | 1 | 0 |
| 2009 | 0 | 1 |
| 2010 | 0 | 1 |
| 2011 | 0 | 1 |
| 2012 | 1 | 2 |
| 2013 | 2 | 2 |
| 2014 | 2 | 4 |
| 2015 | 1 | 5 |
| 2016 | 4 | 1 |
| 2017 | 0 | 1 |
| 2018 | 3 | 6 |
| 2019 | 5 | 4 |
| 2020 | 2 | 1 |
| 2021 | 2 | 1 |
| 2022 | 1 | 2 |
| 2023 | 2 | 1 |
| 2024 | 0 | 0 |
| 2025 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Wall roof truss building system18 Feb 2025US 12,227,946 B2
- Clearspan fabric structure3 Oct 2023US 11,773,581 B2Sunbelt Rentals, Inc.
- Pneumatic support3 Jan 2023US 11,542,672 B2Pibridge Ltd
- Clearspan fabric structure17 May 2022US 11,332,919 B2Mahaffey Fabric Structures LLC
- Inflatable beam and use of this inflatable beam13 Apr 2021US 10,974,160 B2Zepelin, S.R.O.
- Concrete Sandwich Composite Structure With Ultra-High Performance Concrete Wrapped Steel Tube27 Apr 2023US 2023/0127065 A1Guangzhou Municipal Engineering Design and Research Institute Co., Ltd.
- Clearspan fabric structure1 Sep 2022US 2022/0275630 A1Mahaffey Fabric Structures LLC
- Wall roof truss building system28 Jul 2022US 2022/0235549 A1
- Clearspan fabric structure3 Jun 2021US 2021/0164216 A1Mahaffey Fabric Structures LLC
- Pneumatic support24 Dec 2020US 2020/0399842 A1Pibridge Ltd
Most cited
By later US patents
- Construction element90US 5,511,355 A1996
- Mortise and tenon joint for post and beam I-beams composed of fiber reinforced pultruded polymer composite51US 6,272,796 B12001
- Curved, inflated, tubular beam50US 5,421,128 A1995
- Interlocking building module system42US 6,658,808 B1SCAE Associates · 2003
- Box shaped structural member with pultruded flanges and connecting webs39US 6,094,881 ACon/Span Bridge Systems Ltd. · 2000