G04F 13/06
Apparatus for measuring unknown time intervals by means not provided for in
Official title: using fluidic means
G04F13/06 (Apparatus for measuring unknown time intervals by means not provided for in) appears on 30 US grants and 38 published applications in this corpus.
Search patents in G04F- Granted patents
- 30
- Published applications
- 38
- Assignees
- 19
- Inventors
- 68
- Latest grant
- 7 Oct 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1980 | 1 | 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 | 1 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 1 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 1 |
| 2004 | 0 | 2 |
| 2005 | 1 | 3 |
| 2006 | 1 | 1 |
| 2007 | 2 | 1 |
| 2008 | 0 | 1 |
| 2009 | 2 | 1 |
| 2010 | 2 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 1 |
| 2013 | 0 | 2 |
| 2014 | 0 | 3 |
| 2015 | 4 | 0 |
| 2016 | 1 | 2 |
| 2017 | 0 | 0 |
| 2018 | 0 | 5 |
| 2019 | 0 | 0 |
| 2020 | 2 | 1 |
| 2021 | 5 | 10 |
| 2022 | 5 | 1 |
| 2023 | 1 | 0 |
| 2024 | 0 | 2 |
| 2025 | 1 | 1 |
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.
- Fluidic component, ultrasonic measurement device having a fluidic component of this type, and applications of the ultrasonic measurement device6 Jun 2023US 11,668,682 B2FDX Fluid Dynamix GmbH
- Two-phase indicator device for identifying defrost26 Apr 2022US 11,313,608 B2King Abdulaziz University
- Cooling system with stoppered defrost indicator19 Apr 2022US 11,306,961 B2King Abdulaziz University
- Cooling system with elongated compartment indicator1 Mar 2022US 11,262,118 B2King Abdulaziz University
- Fluid-based game timer system30 Oct 2025US 2025/0334930 A1
- 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.
- Devices for inspecting adequate exposure of a tissue sample to a treatment medium and methods and uses therefor1 Sep 2022US 2022/0276175 A1Pathcore Inc.
- Cooling system with phase indication capability16 Dec 2021US 2021/0389042 A1King Abdulaziz University
Most cited
By later US patents
- Elapsed time indicator39US 4,229,813 AAkzona Incorporated · 1980
- Timing device28US 6,269,764 B1Church & Dwight Co., Inc. · 2001
- Visual indicator chronograph and the use of the same27US 7,280,441 B2Kimberly-Clark Worldwide, Inc. · 2007
- Long term rapid color changing time indicator26US 7,139,226 B2Brady Worldwide, Inc. · 2006
- Expiration date system25US 7,808,861 B22010