H01Q 1/04
Adaptation for subterranean or subaqueous use
H01Q1/04 (Adaptation for subterranean or subaqueous use) appears on 446 US grants and 382 published applications in this corpus.
Search patents in H01Q- Granted patents
- 446
- Published applications
- 382
- Assignees
- 210
- Inventors
- 757
- Latest grant
- 8 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 3 | 0 |
| 1977 | 4 | 0 |
| 1978 | 2 | 0 |
| 1979 | 1 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 1 | 0 |
| 1983 | 1 | 0 |
| 1984 | 3 | 0 |
| 1985 | 1 | 0 |
| 1986 | 1 | 0 |
| 1987 | 8 | 0 |
| 1988 | 6 | 0 |
| 1989 | 5 | 0 |
| 1990 | 2 | 0 |
| 1991 | 2 | 0 |
| 1992 | 1 | 0 |
| 1993 | 2 | 0 |
| 1994 | 1 | 0 |
| 1995 | 2 | 0 |
| 1996 | 1 | 0 |
| 1997 | 5 | 0 |
| 1998 | 4 | 0 |
| 1999 | 4 | 0 |
| 2000 | 5 | 0 |
| 2001 | 9 | 1 |
| 2002 | 12 | 6 |
| 2003 | 10 | 10 |
| 2004 | 4 | 7 |
| 2005 | 5 | 6 |
| 2006 | 12 | 6 |
| 2007 | 9 | 4 |
| 2008 | 5 | 10 |
| 2009 | 7 | 15 |
| 2010 | 8 | 10 |
| 2011 | 9 | 12 |
| 2012 | 9 | 27 |
| 2013 | 20 | 16 |
| 2014 | 18 | 23 |
| 2015 | 13 | 18 |
| 2016 | 15 | 15 |
| 2017 | 18 | 21 |
| 2018 | 26 | 20 |
| 2019 | 29 | 33 |
| 2020 | 29 | 24 |
| 2021 | 34 | 23 |
| 2022 | 20 | 20 |
| 2023 | 18 | 15 |
| 2024 | 19 | 15 |
| 2025 | 10 | 15 |
| 2026 | 13 | 10 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Communication device8 Sep 2026US 12,731,902 B2Sony Group Corporation
- Apparatus and method for wireless communication through well casing annulus18 Aug 2026US 12,712,249 B2Baker Hughes Oilfield Operations LLC
- Electromagnetic utility marker devices26 May 2026US 12,638,610 B1Seescan, Inc.
- Cellular system12 May 2026US 12,627,047 B1
- Low-profile antenna for below-grade applications12 May 2026US 12,627,060 B2PCTEL, Inc.
- Pressure vessel antennas and containers for electronic circuitry1 Oct 2026US 2026/0302588 A1
- Deployable truss system9 Jul 2026US 2026/0194641 A1Ultra Electronics Maritime Systems Inc.
- Contactless Modem Cable2 Jul 2026US 2026/0188897 A1Airmar Technology Corporation
- Communication device2 Jul 2026US 2026/0188908 A1Sony Group Corporation
- Electronic device7 May 2026US 2026/0128522 A1Orica International Pte Ltd
Most cited
By later US patents
- Wireless communication system using current formed underground vertical plane polarized antennas226US 4,829,310 AEyring Research Institute, Inc. · 1989
- In situ radio frequency selective heating process190US 4,140,179 ARaytheon Company · 1979
- Meter for measuring volumetric consumption of a commodity189US 5,659,300 AInnovatec, Inc. · 1997
- System for tracking and/or guiding an underground boring tool173US 6,035,951 ADigital Control Incorporated · 2000
- Detection element for objects and detection device using the same140US 6,812,707 B2Mitsubishi Materials Corporation · 2004