F41H 7/035
Gratings for ventilation openings
Official title: {Gratings for ventilation openings}
F41H7/035 (Gratings for ventilation openings) appears on 23 US grants and 8 published applications in this corpus.
Search patents in F41H- Granted patents
- 23
- Published applications
- 8
- Assignees
- 15
- Inventors
- 49
- Latest grant
- 26 Oct 2021
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 1 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 1 | 0 |
| 1990 | 2 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 1 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 1 | 0 |
| 1998 | 3 | 0 |
| 1999 | 1 | 0 |
| 2000 | 2 | 0 |
| 2001 | 0 | 0 |
| 2002 | 1 | 0 |
| 2003 | 0 | 0 |
| 2004 | 1 | 1 |
| 2005 | 1 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 1 |
| 2010 | 1 | 1 |
| 2011 | 0 | 0 |
| 2012 | 0 | 1 |
| 2013 | 0 | 0 |
| 2014 | 0 | 1 |
| 2015 | 1 | 2 |
| 2016 | 3 | 0 |
| 2017 | 0 | 0 |
| 2018 | 0 | 0 |
| 2019 | 0 | 1 |
| 2020 | 0 | 0 |
| 2021 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Device for venting air from or supplying air to a room26 Oct 2021US 11,156,437 B2Rheinmetall Waffe Munition GmbH
- Gradient ballistic material and honeycomb grille30 Aug 2016US 9,429,395 B2BAE Systems Land & Armaments L. P.
- Propellant charge magazine and combat compartment equipped with a propellant charge magazine7 Jun 2016US 9,360,263 B2Krauss-Maffei Wegmann GmbH & Co. KG
- Armoured ventilation grille23 Feb 2016US 9,267,766 B2Nexter Systems
- Optimized bent bar grille24 Nov 2015US 9,194,665 B2BAE Systems Land & Armaments L. P.
- Device for venting air from or supplying air to a room14 Nov 2019US 2019/0346238 A1Rheinmetall Waffe Munition GmbH
- Gradient ballistic material and honeycomb grille12 Nov 2015US 2015/0323293 A1BAE Systems Land & Armaments L. P.
- Armoured ventilation grille14 May 2015US 2015/0128793 A1Nexter Systems
- Optimized bent bar grille11 Sep 2014US 2014/0251120 A1BAE Systems Land & Armaments L. P.
- Propellant Charge Magazine and Combat Compartment Equipped with a Propellant Charge Magazine27 Dec 2012US 2012/0325075 A1Krauss-Maffei Wegmann GmbH & Co. KG
Most cited
By later US patents
- Ballistic grill for special purpose vehicles88US 5,880,394 AFried. Krupp AG Hoesch-Krupp · 1999
- Adjustable louvered armor window system54US 7,789,010 B2Ceradyne, Inc. · 2010
- Multi-tiered ballistic air handling grille25US 5,780,761 AUnited Defense, L.P. · 1998
- Armored grille24US 4,325,283 ACadillac Gage Company · 1982
- Air inlet for armored car20US 4,186,817 A1980