E02F 5/101
Forming during digging
Official title: {forming during digging, e.g. underground canalisations or conduits, by bending or twisting a strip of pliable material; by extrusion}
E02F5/101 (Forming during digging) appears on 135 US grants and 130 published applications in this corpus.
Search patents in E02F- Granted patents
- 135
- Published applications
- 130
- Assignees
- 59
- Inventors
- 186
- Latest grant
- 9 Jun 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 1 | 0 |
| 1978 | 2 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 2 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 2 | 0 |
| 1985 | 0 | 0 |
| 1986 | 2 | 0 |
| 1987 | 1 | 0 |
| 1988 | 2 | 0 |
| 1989 | 1 | 0 |
| 1990 | 2 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 2 | 0 |
| 2000 | 1 | 0 |
| 2001 | 1 | 0 |
| 2002 | 2 | 3 |
| 2003 | 2 | 0 |
| 2004 | 0 | 2 |
| 2005 | 2 | 3 |
| 2006 | 5 | 4 |
| 2007 | 1 | 4 |
| 2008 | 1 | 0 |
| 2009 | 7 | 5 |
| 2010 | 2 | 5 |
| 2011 | 1 | 5 |
| 2012 | 4 | 5 |
| 2013 | 7 | 8 |
| 2014 | 4 | 6 |
| 2015 | 4 | 4 |
| 2016 | 6 | 9 |
| 2017 | 8 | 6 |
| 2018 | 4 | 4 |
| 2019 | 10 | 7 |
| 2020 | 9 | 8 |
| 2021 | 8 | 11 |
| 2022 | 8 | 13 |
| 2023 | 4 | 8 |
| 2024 | 10 | 6 |
| 2025 | 3 | 3 |
| 2026 | 2 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
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- Pipeline following sensor arrangement25 Mar 2025US 12,259,094 B2The Charles Machine Works, Inc.
- Trench and flexible pipe jack15 Jan 2026US 2026/0015822 A1
- Apparatus for inserting an elongate object into a trench20 Nov 2025US 2025/0354348 A1Soil Machine Dynamics Limited
- Modular ultra low drag sub-surface membrane installation apparatus, machine, and methods with various automated and semi-automated sub-systems including sub-surface drip tape installation2 Oct 2025US 2025/0301969 A1Terra Nova Research, Inc.
- Method and Apparatus for Deployment of a Communication Line Onto a Surface Such as a Roadway or Pathway20 Feb 2025US 2025/0060554 A1TRAXyL, Inc.
- 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
- Method of introducing optical cable into a solid bed73US 6,371,691 B1Siemens Aktiengesellschaft · 2002
- Fiber optic installation49US 6,866,448 B2CCS Technology, Inc. · 2005
- Method and appliance for laying a sheet of material in the ground29US 4,720,212 ADigging Trading Company N.V. · 1988
- Method of filling and sealing a microtrench and a sealed microtrench28US 10,571,045 B2Cciip LLC · 2020