H01Q 1/225
Used in level-measurement devices
Official title: {used in level-measurement devices, e.g. for level gauge measurement}
H01Q1/225 (Used in level-measurement devices) appears on 305 US grants and 360 published applications in this corpus.
Search patents in H01Q- Granted patents
- 305
- Published applications
- 360
- Assignees
- 120
- Inventors
- 448
- Latest grant
- 6 Oct 2026
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 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 4 | 0 |
| 1999 | 3 | 0 |
| 2000 | 3 | 0 |
| 2001 | 2 | 1 |
| 2002 | 4 | 5 |
| 2003 | 3 | 2 |
| 2004 | 4 | 9 |
| 2005 | 8 | 6 |
| 2006 | 7 | 6 |
| 2007 | 3 | 11 |
| 2008 | 4 | 6 |
| 2009 | 9 | 9 |
| 2010 | 8 | 7 |
| 2011 | 5 | 5 |
| 2012 | 3 | 12 |
| 2013 | 4 | 14 |
| 2014 | 11 | 9 |
| 2015 | 13 | 19 |
| 2016 | 12 | 13 |
| 2017 | 9 | 31 |
| 2018 | 20 | 32 |
| 2019 | 27 | 24 |
| 2020 | 22 | 23 |
| 2021 | 29 | 27 |
| 2022 | 12 | 24 |
| 2023 | 19 | 21 |
| 2024 | 17 | 24 |
| 2025 | 23 | 13 |
| 2026 | 16 | 7 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Modular field device6 Oct 2026US 12,754,056 B2Endress + Hauser GmbH + Co. KG
- Two part waveguide coupling device22 Sep 2026US 12,744,324 B2VEGA Grieshaber KG
- Field device system and method of configuring a field device system15 Sep 2026US 12,736,387 B2Rosemount Tank Radar AB
- Radar-operated fill level measuring device15 Sep 2026US 12,736,388 B2Endress + Hauser GmbH + Co. KG
- Fill level sensor arrangement with heat insulation18 Aug 2026US 12,712,255 B2VEGA Grieshaber KG
- A Commodity Monitoring System and Related Methods23 Jul 2026US 2026/0210749 A1
- Rf-based material detection device that uses specific antennas designed for specific substances23 Jul 2026US 2026/0210876 A1Quantum IP, LLC
- Antenna device integrable in an electronic instrument case25 Jun 2026US 2026/0180156 A1The Swatch Group Research and Development Ltd
- Joint Having Electrical Power Connection and Wireless Communication11 Jun 2026US 2026/0163601 A1Agility Robotics, Inc.
- Radar fill level measuring device for detecting the fill level of a medium with low permittivity in a container12 Mar 2026US 2026/0071906 A1KROHNE Messtechnik GmbH
Most cited
By later US patents
- Material level sensor having a wire-horn launcher274US 6,452,467 B1McEwan Technologies, LLC · 2002
- Apparatus with a waveguide and an antenna255US 6,469,676 B1VEGA Grieshaber KG · 2002
- Metallised plastic antenna funnel for a fill level radar245US 7,872,610 B2VEGA Grieshaber KG · 2011
- Antenna for a level meter employing the radar principle238US 7,683,848 B2KROHNE Messtechnik GmbH · 2010
- Horn antenna for a radar device236US 8,878,740 B2Siemens Aktiengesellschaft · 2014