G01L 9/0089
Transmitting or indicating the displacement of pistons by electrical, electromechanical, magnetic or
Official title: {Transmitting or indicating the displacement of pistons by electrical, electromechanical, magnetic or electromagnetic means (G01L9/0008 takes precedence)}
G01L9/0089 (Transmitting or indicating the displacement of pistons by electrical, electromechanical, magnetic or) appears on 77 US grants and 54 published applications in this corpus.
Search patents in G01L- Granted patents
- 77
- Published applications
- 54
- Assignees
- 72
- Inventors
- 170
- Latest grant
- 11 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1979 | 2 | 0 |
| 1980 | 0 | 0 |
| 1981 | 2 | 0 |
| 1982 | 1 | 0 |
| 1983 | 1 | 0 |
| 1984 | 0 | 0 |
| 1985 | 5 | 0 |
| 1986 | 1 | 0 |
| 1987 | 5 | 0 |
| 1988 | 2 | 0 |
| 1989 | 1 | 0 |
| 1990 | 1 | 0 |
| 1991 | 2 | 0 |
| 1992 | 2 | 0 |
| 1993 | 1 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 1 | 0 |
| 1997 | 1 | 0 |
| 1998 | 1 | 0 |
| 1999 | 0 | 0 |
| 2000 | 1 | 0 |
| 2001 | 2 | 1 |
| 2002 | 0 | 0 |
| 2003 | 1 | 0 |
| 2004 | 0 | 2 |
| 2005 | 2 | 2 |
| 2006 | 0 | 1 |
| 2007 | 1 | 2 |
| 2008 | 1 | 2 |
| 2009 | 1 | 3 |
| 2010 | 2 | 0 |
| 2011 | 3 | 2 |
| 2012 | 1 | 4 |
| 2013 | 3 | 2 |
| 2014 | 1 | 2 |
| 2015 | 2 | 4 |
| 2016 | 1 | 3 |
| 2017 | 5 | 2 |
| 2018 | 3 | 3 |
| 2019 | 4 | 3 |
| 2020 | 2 | 3 |
| 2021 | 2 | 5 |
| 2022 | 1 | 2 |
| 2023 | 2 | 0 |
| 2024 | 3 | 1 |
| 2025 | 3 | 3 |
| 2026 | 1 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
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Most cited
By later US patents
- Syringe pump having a pressure sensor assembly80US 10,391,241 B2DEKA Products Limited Partnership · 2019
- Apparatus and method for measuring differential pressure while drilling70US 4,805,449 AAnadrill, Inc. · 1989
- Dual magnetic coil driver and monitor sensor circuit57US 4,712,648 ASSI Technologies, Inc. · 1987
- Pressure-sensitive optrode55US 4,509,370 AThe Regents of the University of California · 1985
- Differential pressure transducer46US 5,796,007 AData Instruments, Inc. · 1998