G01R 29/00
Arrangements for measuring or indicating electric quantities not covered by groups g01r19/00
Official title: Arrangements for measuring or indicating electric quantities not covered by groups G01R19/00 - G01R27/00
G01R29/00 (Arrangements for measuring or indicating electric quantities not covered by groups g01r19/00) appears on 4,921 US grants and 4,208 published applications in this corpus.
Search patents in G01R- Granted patents
- 4,921
- Published applications
- 4,208
- Assignees
- 2,183
- Inventors
- 10,325
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 43 | 0 |
| 1977 | 47 | 0 |
| 1978 | 51 | 0 |
| 1979 | 25 | 0 |
| 1980 | 42 | 0 |
| 1981 | 42 | 0 |
| 1982 | 37 | 0 |
| 1983 | 40 | 0 |
| 1984 | 34 | 0 |
| 1985 | 40 | 0 |
| 1986 | 46 | 0 |
| 1987 | 44 | 0 |
| 1988 | 46 | 0 |
| 1989 | 73 | 0 |
| 1990 | 55 | 0 |
| 1991 | 42 | 0 |
| 1992 | 50 | 0 |
| 1993 | 53 | 0 |
| 1994 | 44 | 0 |
| 1995 | 56 | 0 |
| 1996 | 58 | 0 |
| 1997 | 49 | 0 |
| 1998 | 62 | 0 |
| 1999 | 67 | 0 |
| 2000 | 56 | 0 |
| 2001 | 70 | 17 |
| 2002 | 62 | 52 |
| 2003 | 67 | 63 |
| 2004 | 59 | 51 |
| 2005 | 44 | 72 |
| 2006 | 65 | 97 |
| 2007 | 64 | 90 |
| 2008 | 61 | 112 |
| 2009 | 62 | 94 |
| 2010 | 75 | 132 |
| 2011 | 93 | 98 |
| 2012 | 102 | 129 |
| 2013 | 104 | 163 |
| 2014 | 128 | 194 |
| 2015 | 125 | 196 |
| 2016 | 164 | 188 |
| 2017 | 178 | 187 |
| 2018 | 189 | 239 |
| 2019 | 254 | 265 |
| 2020 | 312 | 297 |
| 2021 | 249 | 274 |
| 2022 | 243 | 250 |
| 2023 | 260 | 270 |
| 2024 | 266 | 249 |
| 2025 | 240 | 257 |
| 2026 | 183 | 172 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- G01R 29/08Measuring electromagnetic field characteristics2,651
- G01R 29/26Measuring noise figure669
- G01R 29/12Measuring electrostatic fields or voltage-potential530
- G01R 29/02Measuring characteristics of individual pulses493
- G01R 29/24Arrangements for measuring quantities of charge317
- G01R 29/18Indicating phase sequence190
- G01R 29/16Measuring asymmetry of polyphase networks88
- G01R 29/22Measuring piezoelectric properties84
Recent patents
- Multiplexed readout of quantum devices6 Oct 2026US 12,754,222 B2Fermi Forward Discovery Group, LLC
- Apparatus and method for controlling electromagnetic waves in electromagnetic waves measurement device6 Oct 2026US 12,754,223 B2Electronics and Telecommunications Research Institute
- Direct control method and system for internal potential of bridge arm of new energy grid-tied inverter6 Oct 2026US 12,756,331 B2Southeast University
- Rydberg atom-based vector and polarization sensor29 Sep 2026US 12,748,140 B2The MITRE Corporation
- System and method for measurement of radio frequency signal pattern using plane wave22 Sep 2026US 12,742,807 B2Yttek Technology Corp.
- Apparatus and method for sensing rf signals from rf plasma processing equipment8 Oct 2026US 2026/0309628 A1APPLIED Materials.Inc.
- Determining the Phases of Radio Frequency Fields Using Interferometric Loops8 Oct 2026US 2026/0309760 A1Quantum Valley Ideas Laboratories
- Apparatus and methods for testing computing device wireless functionality8 Oct 2026US 2026/0309761 A1Communications Test Design, Inc.
- Electric field readout of a solid-state sensor8 Oct 2026US 2026/0313995 A1Rtx Bbn Technologies, Inc.
- Measurement system1 Oct 2026US 2026/0298986 A1Seikoh Giken Co., Ltd.
Most cited
By later US patents
- Interference detector for patient monitor834US 8,471,713 B2Cercacor Laboratories, Inc. · 2013
- Time domain capacitive field detector800US 5,730,165 A1998
- Interference detector for patient monitor601US 8,754,776 B2Cercacor Laboratories, Inc. · 2014
- Magnetic coupling device and methods for use therewith475US 9,793,954 B2AT&T Intellectual Property I, L. P. · 2017
- Electromagnetic noise detector for implantable medical devices409US 5,697,958 AIntermedics, Inc. · 1997