G01R 23/165
Using filters
Official title: using filters
G01R23/165 (Using filters) appears on 258 US grants and 183 published applications in this corpus.
Search patents in G01R- Granted patents
- 258
- Published applications
- 183
- Assignees
- 204
- Inventors
- 600
- Latest grant
- 25 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 6 | 0 |
| 1977 | 1 | 0 |
| 1978 | 3 | 0 |
| 1979 | 0 | 0 |
| 1980 | 1 | 0 |
| 1981 | 6 | 0 |
| 1982 | 4 | 0 |
| 1983 | 4 | 0 |
| 1984 | 2 | 0 |
| 1985 | 2 | 0 |
| 1986 | 7 | 0 |
| 1987 | 12 | 0 |
| 1988 | 10 | 0 |
| 1989 | 5 | 0 |
| 1990 | 8 | 0 |
| 1991 | 3 | 0 |
| 1992 | 4 | 0 |
| 1993 | 4 | 0 |
| 1994 | 6 | 0 |
| 1995 | 3 | 0 |
| 1996 | 5 | 0 |
| 1997 | 0 | 0 |
| 1998 | 1 | 0 |
| 1999 | 0 | 0 |
| 2000 | 2 | 0 |
| 2001 | 2 | 0 |
| 2002 | 8 | 1 |
| 2003 | 4 | 3 |
| 2004 | 3 | 3 |
| 2005 | 4 | 8 |
| 2006 | 3 | 2 |
| 2007 | 2 | 3 |
| 2008 | 4 | 2 |
| 2009 | 2 | 4 |
| 2010 | 1 | 3 |
| 2011 | 1 | 1 |
| 2012 | 0 | 1 |
| 2013 | 3 | 3 |
| 2014 | 4 | 8 |
| 2015 | 3 | 2 |
| 2016 | 3 | 11 |
| 2017 | 7 | 11 |
| 2018 | 6 | 18 |
| 2019 | 14 | 17 |
| 2020 | 24 | 14 |
| 2021 | 14 | 14 |
| 2022 | 4 | 11 |
| 2023 | 12 | 20 |
| 2024 | 17 | 10 |
| 2025 | 13 | 6 |
| 2026 | 1 | 7 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Wireless communication device and method for enhanced resolution spectrum monitoring25 Aug 2026US 12,716,924 B1Peltbeam Inc.
- Method and apparatus for power line communication network30 Dec 2025US 12,511,525 B2Endura IP Holdings Ltd.
- Filter bank circuit, spectrum analyzer, signal analyzer, signal generator using the same, and control method for the filter bank circuit9 Dec 2025US 12,493,066 B2Anritsu Corporation
- Discharge detection device2 Dec 2025US 12,487,270 B2Nitto Kogyo Co., Ltd.
- Method for partial discharge recognition in high voltage applications and unit using the method28 Oct 2025US 12,455,311 B2HSP Hochspannungsgeräte GmbH
- Method, System and Computer Program for Detecting Faults in Induction Motors18 Jun 2026US 2026/0169072 A1Schneider Toshiba Inverter Europe SAS
- Arcing detection method and system28 May 2026US 2026/0149258 A1Gigadevice Semiconductor Inc.
- Method and Apparatus for Power Line Communication Network19 Mar 2026US 2026/0080236 A1Endura IP Holdings Ltd.
- Computer-implemented method for monitoring a generator of a wind turbine, wind turbine, computer program and elec-tronically readable storage medium5 Mar 2026US 2026/0063110 A1Siemens Gamesa Renewable Energy A/S
- System and method for enabling determination of a position of a receiver within a space29 Jan 2026US 2026/0029499 A1Takemetuit Inc.
Most cited
By later US patents
- Partial intercept LPI (low probability of intercept) reconnaissance system208US 5,381,150 ATRW Inc. · 1995
- Depth-of-focus imaging process method182US 4,661,986 ARCA Corporation · 1987
- Real-time hierarchal pyramid signal processing apparatus174US 4,674,125 ARCA Corporation · 1987
- System and methods for detecting and characterizing electromagnetic emissions166US 10,338,118 B1Aurora Insight Inc. · 2019
- System and method for monitoring and detecting faults in a closed-loop system118US 8,700,360 B2Cummins Intellectual Properties, Inc. · 2014