E01F 8/0041
Free-standing grates
Official title: {Free-standing grates}
E01F8/0041 (Free-standing grates) appears on 17 US grants and 2 published applications in this corpus.
Search patents in E01F- Granted patents
- 17
- Published applications
- 2
- Assignees
- 9
- Inventors
- 32
- Latest grant
- 5 Oct 2021
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 1 | 0 |
| 1986 | 1 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 1 | 0 |
| 1998 | 2 | 0 |
| 1999 | 3 | 0 |
| 2000 | 1 | 0 |
| 2001 | 1 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 1 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 0 |
| 2014 | 0 | 0 |
| 2015 | 0 | 0 |
| 2016 | 0 | 1 |
| 2017 | 0 | 0 |
| 2018 | 1 | 0 |
| 2019 | 0 | 1 |
| 2020 | 1 | 0 |
| 2021 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Origami sonic barrier for traffic noise mitigation5 Oct 2021US 11,136,734 B2The Regents of the University of Michigan
- Portable view barrier system30 Jun 2020US 10,697,141 B1
- Diffractor for diffracting sound6 Mar 2018US 9,909,269 B24Silence B.V.
- Enfolding sound barrier2 Nov 2004US 6,810,991 B1
- Protective barrier17 Jul 2001US 6,260,319 B1Gennaker Holding S.A.
Most cited
By later US patents
- Guard rail31US 4,295,637 A1981
- Protective barrier20US 6,260,319 B1Gennaker Holding S.A. · 2001
- Device for controlling a propagation direction of noise15US 4,069,768 ABridgestone Tire Company Limited · 1978
- Self-orientable barrier fence14US 4,549,724 A1985
- Used tire recycling including sorting tires, shredding sidewalls, stacking tread strips, and uniformly dimensioning and bonding the tread strips together14US 5,834,083 A1998