G01L 7/16
In the form of pistons
Official title: in the form of pistons
G01L7/16 (In the form of pistons) appears on 163 US grants and 109 published applications in this corpus.
Search patents in G01L- Granted patents
- 163
- Published applications
- 109
- Assignees
- 108
- Inventors
- 225
- Latest grant
- 11 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 11 | 0 |
| 1977 | 5 | 0 |
| 1978 | 2 | 0 |
| 1979 | 4 | 0 |
| 1980 | 5 | 0 |
| 1981 | 5 | 0 |
| 1982 | 1 | 0 |
| 1983 | 2 | 0 |
| 1984 | 1 | 0 |
| 1985 | 7 | 0 |
| 1986 | 3 | 0 |
| 1987 | 3 | 0 |
| 1988 | 5 | 0 |
| 1989 | 5 | 0 |
| 1990 | 1 | 0 |
| 1991 | 0 | 0 |
| 1992 | 1 | 0 |
| 1993 | 1 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 1 | 0 |
| 1997 | 1 | 0 |
| 1998 | 2 | 0 |
| 1999 | 2 | 0 |
| 2000 | 2 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 2 |
| 2004 | 3 | 1 |
| 2005 | 0 | 0 |
| 2006 | 2 | 1 |
| 2007 | 2 | 2 |
| 2008 | 1 | 1 |
| 2009 | 0 | 0 |
| 2010 | 1 | 1 |
| 2011 | 1 | 0 |
| 2012 | 0 | 3 |
| 2013 | 3 | 4 |
| 2014 | 2 | 8 |
| 2015 | 5 | 13 |
| 2016 | 11 | 10 |
| 2017 | 11 | 5 |
| 2018 | 6 | 14 |
| 2019 | 10 | 9 |
| 2020 | 7 | 7 |
| 2021 | 4 | 7 |
| 2022 | 7 | 4 |
| 2023 | 5 | 4 |
| 2024 | 6 | 3 |
| 2025 | 3 | 7 |
| 2026 | 3 | 3 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Safety device for fluid ends11 Aug 2026US 12,704,426 B2Forum US, Inc.
- Air compressor structure7 Apr 2026US 12,595,786 B2Unik World Industrial Co., Ltd.
- Pressure gauge24 Mar 2026US 12,584,810 B2Welter’s Co., Ltd.
- Dual air admittance valve21 Oct 2025US 12,448,762 B2
- Differential pressure sensors, control, and associated methods14 Oct 2025US 12,442,705 B2Tpe Midstream LLC
- Measurement method of three dimensional molding device28 May 2026US 2026/0145390 A1Seiko Epson Corporation
- Dual air admittance valve26 Mar 2026US 2026/0085507 A1
- Differential pressure sensors, control, and associated methods15 Jan 2026US 2026/0016356 A1Tpe Midstream LLC
- Air compressor structure24 Jul 2025US 2025/0237206 A1Unik World Industrial Co., Ltd.
- Pressure gauge3 Jul 2025US 2025/0216278 A1Welter’s Co., Ltd.
Most cited
By later US patents
- Systems for percutaneous bone and spinal stabilization, fixation and repair1,069US 6,127,597 ADiscoTech N.V. · 2000
- Depth measuring device for watches, and watches incorporating such a measuring device108US 7,778,115 B2Richemont International SA · 2010
- Syringe pump having a pressure sensor assembly80US 10,391,241 B2DEKA Products Limited Partnership · 2019
- Filter condition indicator68US 4,153,003 A1979
- Differential pressure visual and audible warning signal device for hydraulic and pneumatic systems44US 3,934,238 AAMBAC Industries, Incorporated · 1976