G04F 1/02
Apparatus which can be set and started to measure-off predetermined or adjustably-fixed
Official title: by consuming prefixed quantities of materials, e.g. by burning candle
G04F1/02 (Apparatus which can be set and started to measure-off predetermined or adjustably-fixed) appears on 19 US grants and 20 published applications in this corpus.
Search patents in G04F- Granted patents
- 19
- Published applications
- 20
- Assignees
- 19
- Inventors
- 32
- Latest grant
- 7 Oct 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 1 | 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 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 1 |
| 2004 | 1 | 0 |
| 2005 | 0 | 1 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 1 | 1 |
| 2010 | 0 | 0 |
| 2011 | 0 | 1 |
| 2012 | 0 | 0 |
| 2013 | 0 | 2 |
| 2014 | 0 | 4 |
| 2015 | 3 | 1 |
| 2016 | 4 | 3 |
| 2017 | 2 | 1 |
| 2018 | 1 | 2 |
| 2019 | 0 | 1 |
| 2020 | 1 | 0 |
| 2021 | 0 | 0 |
| 2022 | 1 | 0 |
| 2023 | 1 | 0 |
| 2024 | 0 | 2 |
| 2025 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Single use disposable elapsed time indicator with absorbable material7 Oct 2025US 12,436,503 B2CareFusion 303, Inc.
- UV cured indicating devices28 Nov 2023US 11,828,660 B2JP Laboratories, Inc.
- Isotope detecting devices25 Jan 2022US 11,231,687 B2Hewlett-Packard Development Company, L. P.
- Timing device using electrodeposit growth11 Feb 2020US 10,558,172 B2Arizona Board of Regents on behalf of Arizona State University
- Powerless time reference30 Jan 2018US 9,880,523 B2NXP B. V.
- Single use disposable elapsed time indicator with absorbable material21 Mar 2024US 2024/0094679 A1CareFusion 303, Inc.
- Single use disposable elapsed time indicator with volatile fluid14 Mar 2024US 2024/0085857 A1CareFusion 303, Inc.
- Electrical parameters of isotopes8 Aug 2019US 2019/0243311 A1Hewlett-Packard Development Company, L. P.
- UV Cured Indicating Devices13 Sep 2018US 2018/0259403 A1JP Laboratories, Inc.
- Timing device using electrodeposit growth13 Sep 2018US 2018/0259911 A1Arizona Board of Regents on behalf of Arizona State University
Most cited
By later US patents
- Time duration indicator systems, and also products containing such indicator systems having a limited duration of use or life34US 4,921,636 ANaarden International N. V. · 1990
- Apparatus for visually indicating elapsed time by a color change30US 4,028,876 ALawrence Peska Associates, Inc. · 1977
- Elapsed time indicator17US 4,550,676 AS. C. Johnson & Son, Inc. · 1985
- Timing device using electrodeposit growth13US 10,558,172 B2Arizona Board of Regents on behalf of Arizona State University · 2020
- Timing device7US 9,703,264 B2Elegio BV · 2017