G02F 1/176
Using acid- based indicators
Official title: {using acid- based indicators}
G02F1/176 (Using acid- based indicators) appears on 6 US grants and 4 published applications in this corpus.
Search patents in G02F- Granted patents
- 6
- Published applications
- 4
- Assignees
- 7
- Inventors
- 15
- Latest grant
- 22 May 2018
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 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 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 1 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 2 |
| 2003 | 1 | 0 |
| 2004 | 0 | 0 |
| 2005 | 1 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 1 |
| 2013 | 1 | 0 |
| 2014 | 0 | 0 |
| 2015 | 0 | 0 |
| 2016 | 0 | 1 |
| 2017 | 0 | 0 |
| 2018 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Slit grating, method for manufacturing the same and display device22 May 2018US 9,977,159 B2Beijing Boe Display Technology Co., Ltd.
- Switchable display system14 May 2013US 8,441,712 B2STMicroelectronics S.r. l.
- Electrochromic display device and compositions useful in making such devices12 Apr 2005US 6,879,424 B2Aveso, Inc.
- Matrix addressable electrochromic display device28 Oct 2003US 6,639,709 B2Dow Global Technologies LLC
- Glazing element, in particular for facing building facades2 Feb 1999US 5,864,994 AFraunhofer-Gesellschaft zur Foerderung der angewandten Forschung e. V.
- Slit griting, method for manufacturing the same and display device18 Feb 2016US 2016/0047954 A1Beijing Boe Display Technology Co., Ltd.
- Switchable display system19 Apr 2012US 2012/0092751 A1STMicroelectronics S.r. l.
- Electrochromic display device and compositions useful in making such devices21 Nov 2002US 2002/0171081 A1Aveso, Inc.
- Matrix Addressable electrochromic display device21 Nov 2002US 2002/0171907 A1Dow Global Technologies LLC
Most cited
By later US patents
- Electrochromic display device and compositions useful in making such devices34US 6,879,424 B2Aveso, Inc. · 2005
- Matrix addressable electrochromic display device29US 6,639,709 B2Dow Global Technologies LLC · 2003
- Reversible radiant energy filter and process of using same8US 3,951,521 AXerox Corporation · 1976
- Glazing element, in particular for facing building facades5US 5,864,994 AFraunhofer-Gesellschaft zur Foerderung der angewandten Forschung e. V. · 1999