E04C 2002/3438
With saddle-shaped dimples
Official title: {with saddle-shaped dimples, e.g. eggcrate type spacer sheets}
E04C2002/3438 (With saddle-shaped dimples) appears on 16 US grants and 12 published applications in this corpus.
Search patents in E04C- Granted patents
- 16
- Published applications
- 12
- Assignees
- 6
- Inventors
- 22
- Latest grant
- 6 Oct 2020
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 3 | 0 |
| 1977 | 2 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 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 | 1 | 0 |
| 1992 | 0 | 0 |
| 1993 | 1 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 1 |
| 2003 | 1 | 0 |
| 2004 | 0 | 1 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 1 |
| 2009 | 0 | 0 |
| 2010 | 1 | 2 |
| 2011 | 0 | 0 |
| 2012 | 1 | 2 |
| 2013 | 1 | 0 |
| 2014 | 0 | 1 |
| 2015 | 1 | 1 |
| 2016 | 1 | 0 |
| 2017 | 0 | 1 |
| 2018 | 0 | 0 |
| 2019 | 2 | 2 |
| 2020 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Structural panel6 Oct 2020US 10,794,058 B2The Pro Design Group, Inc.
- Multiple support wall structure17 Sep 2019US 10,415,246 B2
- Multiple support wall structure8 Jan 2019US 10,174,502 B2
- Pyramid waffle core structure and method of fabrication15 Mar 2016US 9,284,726 B2The Boeing Company
- Formed core sandwich structures8 Sep 2015US 9,126,387 B2
- Multiple support wall structure4 Apr 2019US 2019/0100916 A1
- Structural panel17 Jan 2019US 2019/0017270 A1The Pro Design Group, Inc.
- Multiple support wall structure5 Oct 2017US 2017/0284094 A1
- Pyramid waffle core structure and method of fabrication8 Oct 2015US 2015/0284945 A1The Boeing Company
- Method for forming three-dimensional support structure30 Oct 2014US 2014/0323283 A1Tessellated Group, LLC
Most cited
By later US patents
- Cellular core structure providing gridlike bearing surfaces on opposing parallel planes of the formed core102US 5,028,474 A1991
- Sinusoidal structural element42US 4,025,996 A1977
- Tetrahedron filled panels22US 5,266,379 A1993
- Cuspated sheet forming20US 3,955,019 A1976
- Cuspated sheet forming18US 3,963,813 AThe United States of America as represented by the Secretary of the Navy · 1976