G05D 16/0697
Using several membranes
Official title: {using several membranes}
G05D16/0697 (Using several membranes) appears on 6 US grants and 3 published applications in this corpus.
Search patents in G05D- Granted patents
- 6
- Published applications
- 3
- Assignees
- 6
- Inventors
- 11
- Latest grant
- 7 Jan 2020
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1979 | 1 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 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 | 0 | 0 |
| 1998 | 1 | 0 |
| 1999 | 1 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 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 | 1 | 0 |
| 2018 | 0 | 2 |
| 2019 | 0 | 0 |
| 2020 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Pressure regulator with shutoff mechanism7 Jan 2020US 10,527,182 B2Lorax Systems, Inc.
- Add-on chamber for improved response of gas pressure regulators23 May 2017US 9,658,625 B2Sensus USA Inc.
- Low pressure regulator7 Dec 1999US 5,996,617 AFisher Controls Internationals Inc.
- Gas pressure regulator21 Apr 1998US 5,740,833 AFisher Controls International LLC
- Pneumatic pressure transmitter9 Dec 1986US 4,627,459 A
Most cited
By later US patents
- Low pressure regulator13US 5,996,617 AFisher Controls Internationals Inc. · 1999
- Gas pressure regulator11US 5,740,833 AFisher Controls International LLC · 1998
- Respirator valve for respirators8US 4,172,467 ADragerwerk Aktiengesellschaft · 1979
- Pneumatic pressure transmitter4US 4,627,459 A1986
- Add-on chamber for improved response of gas pressure regulators1US 9,658,625 B2Sensus USA Inc. · 2017