G04F 13/04
Apparatus for measuring unknown time intervals by means not provided for in
Official title: using electrochemical means
G04F13/04 (Apparatus for measuring unknown time intervals by means not provided for in) appears on 45 US grants and 48 published applications in this corpus.
Search patents in G04F- Granted patents
- 45
- Published applications
- 48
- Assignees
- 21
- Inventors
- 55
- Latest grant
- 17 Oct 2023
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1978 | 2 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 1 | 0 |
| 1990 | 0 | 0 |
| 1991 | 1 | 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 | 0 | 0 |
| 2001 | 1 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 1 |
| 2004 | 1 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 3 |
| 2007 | 2 | 2 |
| 2008 | 2 | 1 |
| 2009 | 0 | 4 |
| 2010 | 2 | 1 |
| 2011 | 3 | 2 |
| 2012 | 0 | 2 |
| 2013 | 2 | 5 |
| 2014 | 2 | 5 |
| 2015 | 3 | 3 |
| 2016 | 3 | 4 |
| 2017 | 4 | 5 |
| 2018 | 1 | 2 |
| 2019 | 4 | 3 |
| 2020 | 2 | 3 |
| 2021 | 0 | 0 |
| 2022 | 1 | 1 |
| 2023 | 1 | 0 |
| 2024 | 0 | 1 |
By publication year. Applications have been published since 2001.
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Most cited
By later US patents