E02F 5/12
With equipment for back-filling trenches or ditches
Official title: with equipment for back-filling trenches or ditches
E02F5/12 (With equipment for back-filling trenches or ditches) appears on 162 US grants and 118 published applications in this corpus.
Search patents in E02F- Granted patents
- 162
- Published applications
- 118
- Assignees
- 72
- Inventors
- 225
- Latest grant
- 30 Sep 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 3 | 0 |
| 1977 | 2 | 0 |
| 1978 | 2 | 0 |
| 1979 | 1 | 0 |
| 1980 | 2 | 0 |
| 1981 | 0 | 0 |
| 1982 | 3 | 0 |
| 1983 | 2 | 0 |
| 1984 | 1 | 0 |
| 1985 | 1 | 0 |
| 1986 | 2 | 0 |
| 1987 | 4 | 0 |
| 1988 | 2 | 0 |
| 1989 | 7 | 0 |
| 1990 | 2 | 0 |
| 1991 | 5 | 0 |
| 1992 | 2 | 0 |
| 1993 | 1 | 0 |
| 1994 | 0 | 0 |
| 1995 | 3 | 0 |
| 1996 | 2 | 0 |
| 1997 | 2 | 0 |
| 1998 | 3 | 0 |
| 1999 | 4 | 0 |
| 2000 | 0 | 0 |
| 2001 | 5 | 0 |
| 2002 | 2 | 1 |
| 2003 | 3 | 0 |
| 2004 | 0 | 3 |
| 2005 | 1 | 4 |
| 2006 | 5 | 5 |
| 2007 | 3 | 2 |
| 2008 | 0 | 0 |
| 2009 | 1 | 2 |
| 2010 | 1 | 2 |
| 2011 | 4 | 4 |
| 2012 | 0 | 4 |
| 2013 | 5 | 8 |
| 2014 | 5 | 7 |
| 2015 | 3 | 3 |
| 2016 | 6 | 11 |
| 2017 | 9 | 8 |
| 2018 | 5 | 10 |
| 2019 | 11 | 10 |
| 2020 | 14 | 7 |
| 2021 | 5 | 3 |
| 2022 | 7 | 10 |
| 2023 | 6 | 6 |
| 2024 | 2 | 4 |
| 2025 | 3 | 3 |
| 2026 | 0 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Microtrench gravel installer and method of filling and sealing a microtrench containing an optical fiber and/or innerduct/microduct using the microtrench gravel installer30 Sep 2025US 12,428,793 B2Cciip LLC
- Microtrench gravel installer and method of filling and sealing a microtrench containing an optical fiber and/or innerduct/microduct using the microtrench gravel installer22 Apr 2025US 12,281,459 B2Cciip LLC
- Machine, in particular padding machine, to backfill pipelines25 Feb 2025US 12,233,437 B2Scaip S.P.A.
- Subsea plough for burying a flexible elongate member10 Dec 2024US 12,163,311 B2Osbit Limited
- Material handling systems and methods3 Sep 2024US 12,077,935 B2Wing Marine LLC
- Trench filling methods, machines, and systems for filling trenches9 Jul 2026US 2026/0193862 A1
- Autonomous backfilling apparatus9 Oct 2025US 2025/0314038 A1The Charles Machine Works, Inc.
- Microtrench gravel installer and method of filling and sealing a microtrench containing an optical fiber and/or innerduct/microduct using the microtrench gravel installer26 Jun 2025US 2025/0207355 A1Cciip LLC
- Machine, in particular padding machine, to backfill pipelines22 May 2025US 2025/0161987 A1Scaip S.P.A.
- Apparatus and method for installing subsurface tubing19 Dec 2024US 2024/0417954 A1Alldrip Sports Fields, LLC
Most cited
By later US patents
- Laying and protecting cable into existing covering surfaces112US 8,480,332 B2CertusView Technologies, LLC · 2013
- Mechanized unit for digging a trench and laying elongate objects67US 4,812,078 AETS. Rivard S. A. · 1989
- Process and apparatus for introducing an optical or electrical cable into solid ground67US 5,879,109 ASiemens Aktiengesellschaft · 1999
- Water-resistant gypsum compositions and emulsion for making same60US 5,437,722 ABakor Inc. · 1995
- Trenching and edging system47US 6,457,267 B12002