E03F 7/12
Installations enabling inspection personnel to drive along sewer canals
E03F7/12 (Installations enabling inspection personnel to drive along sewer canals) appears on 95 US grants and 96 published applications in this corpus.
Search patents in E03F- Granted patents
- 95
- Published applications
- 96
- Assignees
- 54
- Inventors
- 179
- Latest grant
- 22 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 1 | 0 |
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 0 |
| 1988 | 1 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 1 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 1 | 0 |
| 1995 | 1 | 0 |
| 1996 | 1 | 0 |
| 1997 | 0 | 0 |
| 1998 | 2 | 0 |
| 1999 | 2 | 0 |
| 2000 | 4 | 0 |
| 2001 | 1 | 0 |
| 2002 | 0 | 1 |
| 2003 | 1 | 2 |
| 2004 | 1 | 4 |
| 2005 | 1 | 4 |
| 2006 | 4 | 0 |
| 2007 | 0 | 4 |
| 2008 | 1 | 0 |
| 2009 | 0 | 2 |
| 2010 | 0 | 1 |
| 2011 | 1 | 2 |
| 2012 | 1 | 4 |
| 2013 | 3 | 3 |
| 2014 | 3 | 4 |
| 2015 | 0 | 6 |
| 2016 | 9 | 6 |
| 2017 | 4 | 3 |
| 2018 | 5 | 1 |
| 2019 | 5 | 4 |
| 2020 | 3 | 6 |
| 2021 | 7 | 7 |
| 2022 | 5 | 7 |
| 2023 | 8 | 5 |
| 2024 | 6 | 5 |
| 2025 | 5 | 12 |
| 2026 | 4 | 3 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Spring assemblies with variable flexibility for use with push-cables and pipe inspection systems22 Sep 2026US 12,743,014 B2Seescan, Inc.
- Nozzle mounted camera16 Jun 2026US 12,656,665 B2Envirosight LLC
- Unmanned aerial vehicle28 Apr 2026US 12,612,776 B2ACSL Ltd.
- System for curing and/or inspecting a pipeline lining and method for curing and/or inspecting a pipeline lining10 Feb 2026US 12,544,973 B2BODUS GmbH
- Pipe inspection video processing system14 Oct 2025US 12,442,776 B1ClearObject Corporation
- Systems and methods for iot sewer management8 Oct 2026US 2026/0311584 A1Ardurra Group, Inc.
- Illumination Apparatus for the Cover of a Sewage or Sump Pump Basin1 Oct 2026US 2026/0298459 A1
- Drainage network sedimentation management methods, systems, and medium based on large internet of things models3 Sep 2026US 2026/0258649 A1Chengdu Qinchuan Iot Technology Co., Ltd.
- Low-interference automatic detection device and detection method for defects and conditions of drainage pipelines25 Dec 2025US 2025/0389366 A1North China Municipal Engineering Design & Research Institute Co., Ltd.
- System and method for depth-based flow metering30 Oct 2025US 2025/0334433 A1Hampton Roads Sanitation District
Most cited
By later US patents
- Method and apparatus for organizing storing and retrieving information to administer a sewer system204US 5,812,962 AWhite Oak Borough Authority · 1998
- Autonomous mobile robot system for sensor-based and map-based navigation in pipe networks186US 6,108,597 AGMD-Forschungszentrum Informationstechnik GmbH · 2000
- Laser reference level setting device60US 6,262,801 B1Topcon Corporation · 2001
- Inspection system and method55US 6,538,732 B1Everest VIT · 2003
- Waste line inspection and clean out device with water jet head44US 5,862,561 A1999