E04B 2002/0221
Of conical shape
Official title: {of conical shape}
E04B2002/0221 (Of conical shape) appears on 30 US grants and 20 published applications in this corpus.
Search patents in E04B- Granted patents
- 30
- Published applications
- 20
- Assignees
- 15
- Inventors
- 44
- Latest grant
- 17 Sep 2019
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 1 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 2 | 0 |
| 1993 | 3 | 0 |
| 1994 | 1 | 0 |
| 1995 | 1 | 0 |
| 1996 | 0 | 0 |
| 1997 | 1 | 0 |
| 1998 | 0 | 0 |
| 1999 | 1 | 0 |
| 2000 | 1 | 0 |
| 2001 | 1 | 0 |
| 2002 | 0 | 0 |
| 2003 | 2 | 0 |
| 2004 | 0 | 2 |
| 2005 | 2 | 2 |
| 2006 | 0 | 0 |
| 2007 | 0 | 1 |
| 2008 | 0 | 0 |
| 2009 | 0 | 3 |
| 2010 | 1 | 0 |
| 2011 | 0 | 1 |
| 2012 | 2 | 1 |
| 2013 | 1 | 1 |
| 2014 | 2 | 2 |
| 2015 | 1 | 2 |
| 2016 | 1 | 0 |
| 2017 | 0 | 2 |
| 2018 | 1 | 0 |
| 2019 | 1 | 0 |
| 2020 | 0 | 0 |
| 2021 | 0 | 2 |
| 2022 | 0 | 0 |
| 2023 | 0 | 0 |
| 2024 | 0 | 1 |
By publication year. Applications have been published since 2001.
Recent patents
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- Modular construction of load-bearing structures from reusable load-bearing elements16 Dec 2021US 2021/0388609 A1The Regents of the University of Michigan
- Building block (variants)11 Nov 2021US 2021/0348384 A1Kompaniya Domido Limited
- Monolithic retaining wall14 Sep 2017US 2017/0260743 A1Excel Project Management Ltd.
- Arched building structure, modular building blocks, and method of constructing an arched building structure25 May 2017US 2017/0145680 A1
Most cited
By later US patents
- Interlocking cementitious building blocks137US 4,107,894 A1978
- Interlocking building blocks61US 5,421,135 AConcrete Shop, Inc. · 1995
- Modular building materials53US 6,088,987 A2000
- Concrete building blocks49US 5,651,642 A1997
- Block for concrete wall form construction45US 5,086,600 ARevelation Builders, Inc. · 1992