G05D 7/0146
The in-line sensing element being a piston or float without flexible member
Official title: {the in-line sensing element being a piston or float without flexible member or spring}
G05D7/0146 (The in-line sensing element being a piston or float without flexible member) appears on 77 US grants and 58 published applications in this corpus.
Search patents in G05D- Granted patents
- 77
- Published applications
- 58
- Assignees
- 57
- Inventors
- 135
- Latest grant
- 30 Sep 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 1 | 0 |
| 1978 | 2 | 0 |
| 1979 | 0 | 0 |
| 1980 | 1 | 0 |
| 1981 | 1 | 0 |
| 1982 | 3 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 1 | 0 |
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 2 | 0 |
| 1992 | 1 | 0 |
| 1993 | 1 | 0 |
| 1994 | 0 | 0 |
| 1995 | 1 | 0 |
| 1996 | 2 | 0 |
| 1997 | 1 | 0 |
| 1998 | 0 | 0 |
| 1999 | 3 | 0 |
| 2000 | 1 | 0 |
| 2001 | 4 | 2 |
| 2002 | 2 | 1 |
| 2003 | 2 | 0 |
| 2004 | 0 | 3 |
| 2005 | 1 | 1 |
| 2006 | 1 | 2 |
| 2007 | 1 | 1 |
| 2008 | 0 | 1 |
| 2009 | 0 | 2 |
| 2010 | 1 | 0 |
| 2011 | 0 | 1 |
| 2012 | 1 | 2 |
| 2013 | 2 | 4 |
| 2014 | 3 | 3 |
| 2015 | 2 | 4 |
| 2016 | 3 | 6 |
| 2017 | 6 | 3 |
| 2018 | 2 | 1 |
| 2019 | 5 | 0 |
| 2020 | 2 | 6 |
| 2021 | 2 | 5 |
| 2022 | 3 | 3 |
| 2023 | 4 | 3 |
| 2024 | 4 | 0 |
| 2025 | 2 | 2 |
| 2026 | 0 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Low force valves for drug delivery pumps30 Sep 2025US 12,429,141 B2Insulet Corporation
- Fluid flow control based on a liquid level in a container24 Jun 2025US 12,339,683 B2
- Pressure-driven flow rate control valves24 Dec 2024US 12,173,803 B2Becton, Dickinson and Company
- Infusion arrangement for administering a medical fluid15 Oct 2024US 12,115,346 B2B. Braun Melsungen AG
- Flow rate control device with compliant structure12 Mar 2024US 11,927,974 B2Korea Aerospace Research Institute
- Fluid Control System for Supplying Pressurized Fluid to Hand Operated Pumps23 Apr 2026US 2026/0111045 A1
- Low force valves for drug delivery pumps22 Jan 2026US 2026/0022773 A1Insulet Corporation
- Oscillating flow controller18 Sep 2025US 2025/0291369 A1
- Pressure-Driven Flow Rate Control Valves13 Feb 2025US 2025/0052330 A1Becton, Dickinson and Company
- Systems and Methods for a Variable Flow Resistor2 Nov 2023US 2023/0349474 A1PAVmed Inc.
Most cited
By later US patents
- Regulated gas flow control valve78US 4,655,246 AEssex Industries, Inc. · 1987
- Fluid flow control valve system34US 6,311,712 B1Hays Fluid Controls · 2001
- Adjustable fluid flow regulator32US 4,096,879 AInternational Biomedical Laboratories, Inc. · 1978
- Passive flow regulating device29US 5,655,568 A1997
- Flow control valve24US 4,995,422 ABrand Hydraulics Co. Inc. · 1991