E03C 1/302
Using devices moved through the pipes
Official title: using devices moved through the pipes {(and simultaneously rotated by means of a cable or rods E03F9/005)}
E03C1/302 (Using devices moved through the pipes) appears on 143 US grants and 180 published applications in this corpus.
Search patents in E03C- Granted patents
- 143
- Published applications
- 180
- Assignees
- 55
- Inventors
- 259
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 2 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 1 | 0 |
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 0 |
| 1988 | 2 | 0 |
| 1989 | 1 | 0 |
| 1990 | 2 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 1 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 1 | 0 |
| 1997 | 1 | 0 |
| 1998 | 2 | 0 |
| 1999 | 0 | 0 |
| 2000 | 3 | 0 |
| 2001 | 0 | 1 |
| 2002 | 3 | 0 |
| 2003 | 3 | 2 |
| 2004 | 1 | 1 |
| 2005 | 2 | 1 |
| 2006 | 1 | 1 |
| 2007 | 0 | 1 |
| 2008 | 0 | 2 |
| 2009 | 1 | 3 |
| 2010 | 3 | 1 |
| 2011 | 0 | 2 |
| 2012 | 0 | 2 |
| 2013 | 2 | 2 |
| 2014 | 0 | 6 |
| 2015 | 5 | 4 |
| 2016 | 4 | 12 |
| 2017 | 7 | 11 |
| 2018 | 9 | 23 |
| 2019 | 16 | 10 |
| 2020 | 11 | 16 |
| 2021 | 9 | 13 |
| 2022 | 6 | 9 |
| 2023 | 9 | 16 |
| 2024 | 11 | 18 |
| 2025 | 12 | 11 |
| 2026 | 9 | 12 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
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- Drain Cleaner Tool9 Jul 2026US 2026/0192341 A1Milwaukee Electric Tool Corporation
- Drain Cleaners and Related Systems and Methods21 May 2026US 2026/0139463 A1Hazar Enterprises LLC
- Vertical pipe dredger7 May 2026US 2026/0125887 A1Foshan Sichangchang Technology Co., Ltd.
Most cited
By later US patents
- Apparatus for removing hair from a drain56US 6,775,873 B22004
- Device and method for manually removing a clog containing fibrous matter43US 5,769,960 A1998
- Testing of plumbing installations37US 5,740,830 A1998
- Plumbers snake28US 4,771,500 A1988
- Three-way trap elbow and cleanout system28US 5,509,148 A1996