H02G 3/04
Protective tubing or conduits
Official title: Protective tubing or conduits, e.g. cable ladders or cable troughs
H02G3/04 (Protective tubing or conduits) appears on 4,170 US grants and 4,418 published applications in this corpus.
Search patents in H02G- Granted patents
- 4,170
- Published applications
- 4,418
- Assignees
- 1,549
- Inventors
- 6,762
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 7 | 0 |
| 1977 | 7 | 0 |
| 1978 | 6 | 0 |
| 1979 | 9 | 0 |
| 1980 | 10 | 0 |
| 1981 | 11 | 0 |
| 1982 | 9 | 0 |
| 1983 | 15 | 0 |
| 1984 | 16 | 0 |
| 1985 | 10 | 0 |
| 1986 | 16 | 0 |
| 1987 | 5 | 0 |
| 1988 | 14 | 0 |
| 1989 | 14 | 0 |
| 1990 | 25 | 0 |
| 1991 | 24 | 0 |
| 1992 | 26 | 0 |
| 1993 | 23 | 0 |
| 1994 | 25 | 0 |
| 1995 | 24 | 0 |
| 1996 | 21 | 0 |
| 1997 | 36 | 0 |
| 1998 | 51 | 0 |
| 1999 | 60 | 0 |
| 2000 | 60 | 0 |
| 2001 | 88 | 24 |
| 2002 | 89 | 52 |
| 2003 | 53 | 67 |
| 2004 | 53 | 65 |
| 2005 | 56 | 79 |
| 2006 | 56 | 61 |
| 2007 | 49 | 96 |
| 2008 | 64 | 98 |
| 2009 | 68 | 115 |
| 2010 | 71 | 128 |
| 2011 | 70 | 110 |
| 2012 | 83 | 111 |
| 2013 | 87 | 173 |
| 2014 | 101 | 197 |
| 2015 | 140 | 225 |
| 2016 | 200 | 213 |
| 2017 | 261 | 255 |
| 2018 | 206 | 278 |
| 2019 | 302 | 320 |
| 2020 | 285 | 309 |
| 2021 | 234 | 264 |
| 2022 | 260 | 290 |
| 2023 | 227 | 301 |
| 2024 | 261 | 235 |
| 2025 | 178 | 190 |
| 2026 | 104 | 162 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Harness sleeve with inner protective sleeve6 Oct 2026US 12,756,166 B1Brunswick Corporation
- Adaptor for connecting and securing different harness protection systems6 Oct 2026US 12,756,167 B2ABB Schweiz AG
- Adjustable power and data rail for desks29 Sep 2026US 12,745,838 B2Square Grove LLC
- Gripping cable hanger and method of using29 Sep 2026US 12,749,877 B2Cambria County Association for the Blind and Handicapped
- Cable protection member and aircraft lavatory unit equipped with said cable protection member29 Sep 2026US 12,749,878 B2The Yokohama Rubber Co., Ltd.
- Protector8 Oct 2026US 2026/0307603 A1Autonetworks Technologies, Ltd.
- Protector8 Oct 2026US 2026/0307604 A1Autonetworks Technologies, Ltd.
- Path restriction member and wire harness8 Oct 2026US 2026/0307605 A1Autonetworks Technologies, Ltd.
- Cable tray fire protection8 Oct 2026US 2026/0312381 A1Øglænd System AS
- Ignition Suppression Circuiting Technology8 Oct 2026US 2026/0312382 A1Isct LLC
Most cited
By later US patents
- Support system having an interchangeable splice1,034US 5,868,361 ASigma-Aldrich Co. · 1999
- Segmented flexible housing389US 5,254,809 AW. L. Gore & Associates, Inc. · 1993
- Offset coupling for electrical conduit363US 4,946,202 A1990
- Flexible housing for transmission lines348US 5,134,251 AW. L. Gore & Associates, Inc. · 1992
- Surface raceway and method336US 5,661,263 APhaeton, LLC · 1997