H04B 2001/3894
Waterproofing of transmission device
Official title: {Waterproofing of transmission device}
H04B2001/3894 (Waterproofing of transmission device) appears on 472 US grants and 333 published applications in this corpus.
Search patents in H04B- Granted patents
- 472
- Published applications
- 333
- Assignees
- 166
- Inventors
- 729
- Latest grant
- 18 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 3 | 0 |
| 1977 | 1 | 0 |
| 1978 | 4 | 0 |
| 1979 | 0 | 0 |
| 1980 | 3 | 0 |
| 1981 | 0 | 0 |
| 1982 | 2 | 0 |
| 1983 | 2 | 0 |
| 1984 | 0 | 0 |
| 1985 | 3 | 0 |
| 1986 | 5 | 0 |
| 1987 | 5 | 0 |
| 1988 | 4 | 0 |
| 1989 | 4 | 0 |
| 1990 | 3 | 0 |
| 1991 | 3 | 0 |
| 1992 | 8 | 0 |
| 1993 | 9 | 0 |
| 1994 | 14 | 0 |
| 1995 | 16 | 0 |
| 1996 | 20 | 0 |
| 1997 | 18 | 0 |
| 1998 | 21 | 0 |
| 1999 | 19 | 0 |
| 2000 | 9 | 0 |
| 2001 | 4 | 1 |
| 2002 | 7 | 6 |
| 2003 | 3 | 4 |
| 2004 | 2 | 10 |
| 2005 | 4 | 3 |
| 2006 | 6 | 6 |
| 2007 | 1 | 4 |
| 2008 | 4 | 1 |
| 2009 | 6 | 3 |
| 2010 | 7 | 3 |
| 2011 | 1 | 1 |
| 2012 | 0 | 3 |
| 2013 | 1 | 8 |
| 2014 | 9 | 23 |
| 2015 | 16 | 36 |
| 2016 | 28 | 34 |
| 2017 | 40 | 43 |
| 2018 | 30 | 32 |
| 2019 | 45 | 41 |
| 2020 | 28 | 22 |
| 2021 | 19 | 15 |
| 2022 | 10 | 9 |
| 2023 | 6 | 8 |
| 2024 | 8 | 6 |
| 2025 | 6 | 8 |
| 2026 | 5 | 3 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Tightness self-checking device for waterproof mobile phone protective case and method thereof18 Aug 2026US 12,712,588 B2Dongguan Shenhai Sporting Goods Co., Ltd
- Electronic device case and material layer details of the same4 Aug 2026US RE50,984 E1Samsung Electronics Co., Ltd.
- Button mechanism for waterproof housing12 May 2026US 12,625,526 B2Apple Inc.
- Low probability of intercept signal interceptor buoy12 May 2026US 12,627,329 B2The United States of America as represented by the Secretary of the Navy
- Wireless communication apparatus and structure for mounting communication equipment31 Mar 2026US 12,592,735 B2NEC Corporation
- Antenna systems30 Jul 2026US 2026/0222000 A1Parsec Technologies, Inc.
- Electronic device comprising waterproofing structure21 May 2026US 2026/0142684 A1Samsung Electronics Co., Ltd.
- Self contained monitor and system for use30 Apr 2026US 2026/0114807 A1
- Waterproof phone case with easily detachable panel25 Dec 2025US 2025/0392339 A1Dongguan Shenhai Sports Goods Co., Ltd.
- Novel double-layer waterproof structure for phone cases4 Dec 2025US 2025/0373277 A1
Most cited
By later US patents
- Terminal and electronic water-resistance method919US 9,590,433 B2Zte Corporation · 2017
- Hierarchical data collection network supporting packetized voice communications among wireless terminals and telephones789US 5,726,984 ANorand Corporation · 1998
- Hand-held data capture system with interchangable modules608US 5,410,141 ANorand Corporation · 1995
- GPS receiver and method for processing GPS signals593US 5,663,734 APrecision Tracking, Inc. · 1997
- GPS receiver utilizing a communication link514US 5,874,914 ASnapTrack, Inc. · 1999