F15B 15/2869
Using electromagnetic radiation
Official title: {using electromagnetic radiation, e.g. radar or microwaves}
F15B15/2869 (Using electromagnetic radiation) appears on 91 US grants and 74 published applications in this corpus.
Search patents in F15B- Granted patents
- 91
- Published applications
- 74
- Assignees
- 56
- Inventors
- 172
- Latest grant
- 27 Jan 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1986 | 1 | 0 |
| 1987 | 1 | 0 |
| 1988 | 3 | 0 |
| 1989 | 0 | 0 |
| 1990 | 1 | 0 |
| 1991 | 1 | 0 |
| 1992 | 1 | 0 |
| 1993 | 2 | 0 |
| 1994 | 1 | 0 |
| 1995 | 2 | 0 |
| 1996 | 4 | 0 |
| 1997 | 2 | 0 |
| 1998 | 2 | 0 |
| 1999 | 4 | 0 |
| 2000 | 2 | 0 |
| 2001 | 1 | 0 |
| 2002 | 6 | 4 |
| 2003 | 2 | 1 |
| 2004 | 4 | 2 |
| 2005 | 0 | 4 |
| 2006 | 5 | 2 |
| 2007 | 0 | 4 |
| 2008 | 4 | 1 |
| 2009 | 2 | 1 |
| 2010 | 1 | 5 |
| 2011 | 1 | 3 |
| 2012 | 1 | 3 |
| 2013 | 4 | 5 |
| 2014 | 1 | 0 |
| 2015 | 3 | 4 |
| 2016 | 5 | 7 |
| 2017 | 3 | 3 |
| 2018 | 2 | 2 |
| 2019 | 5 | 3 |
| 2020 | 2 | 4 |
| 2021 | 2 | 3 |
| 2022 | 4 | 4 |
| 2023 | 3 | 0 |
| 2024 | 0 | 1 |
| 2025 | 2 | 4 |
| 2026 | 1 | 4 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Piston-cylinder unit, set comprising a piston-cylinder unit and a group of piston-cylinder units27 Jan 2026US 12,535,090 B2Pacoma GmbH
- Method and device for detecting position of piston rod, hydraulic cylinder and working machine1 Apr 2025US 12,264,692 B2Sany Automobile Manufacturing Co., Ltd.
- Piston and cylinder unit including a piston position detection unit and a collimator4 Mar 2025US 12,241,993 B2Pacoma GmbH
- Inductive position sensing apparatus including a screening layer and method for the same18 Jul 2023US 11,703,359 B2Kyocera AVX Components (Werne) GmbH
- Measuring device for determining a distance in a conducting structure9 May 2023US 11,644,558 B2Astyx MPS GmbH
- Rotary Actuator with a Position Sensor25 Jun 2026US 2026/0177084 A1Parker-Hannifin Corporation
- Lens configuration for radar sensor assembly in hydraulic cylinders5 Feb 2026US 2026/0036148 A1Pacoma GmbH
- Radar sensor calibration techniques for hydraulic cylinders5 Feb 2026US 2026/0036675 A1Pacoma GmbH
- Telescopic seatpost system and method for operating said system1 Jan 2026US 2026/0001607 A1Orbea, S. Coop.
- Piston-cylinder unit, set comprising a piston-cylinder unit and a group of piston-cylinder units24 Jul 2025US 2025/0237241 A1
Most cited
By later US patents
- Linear position sensor with equalizing means71US 5,182,979 ACaterpillar Inc. · 1993
- Method and system for monitoring position of a fluid actuator employing microwave resonant cavity principles60US 4,689,553 AJodon Engineering Associates, Inc. · 1987
- Encoding system for determining the position of a cylinder rod along a path of movement60US 6,147,342 ACaterpillar Inc. · 2000
- Linear position sensor using a coaxial resonant cavity56US 4,737,705 ACaterpillar Inc. · 1988
- Method and apparatus for sensing piston position55US 5,977,778 ACase Corporation · 1999