E03C 1/308
By means of a pumping device
Official title: by means of a pumping device
E03C1/308 (By means of a pumping device) appears on 160 US grants and 144 published applications in this corpus.
Search patents in E03C- Granted patents
- 160
- Published applications
- 144
- Assignees
- 44
- Inventors
- 271
- Latest grant
- 21 Jan 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 3 | 0 |
| 1977 | 1 | 0 |
| 1978 | 1 | 0 |
| 1979 | 3 | 0 |
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 2 | 0 |
| 1987 | 1 | 0 |
| 1988 | 4 | 0 |
| 1989 | 1 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 4 | 0 |
| 1993 | 3 | 0 |
| 1994 | 4 | 0 |
| 1995 | 4 | 0 |
| 1996 | 2 | 0 |
| 1997 | 0 | 0 |
| 1998 | 1 | 0 |
| 1999 | 3 | 0 |
| 2000 | 5 | 0 |
| 2001 | 3 | 2 |
| 2002 | 8 | 2 |
| 2003 | 8 | 1 |
| 2004 | 3 | 7 |
| 2005 | 6 | 8 |
| 2006 | 6 | 5 |
| 2007 | 4 | 4 |
| 2008 | 3 | 3 |
| 2009 | 1 | 4 |
| 2010 | 2 | 6 |
| 2011 | 4 | 2 |
| 2012 | 2 | 5 |
| 2013 | 1 | 4 |
| 2014 | 2 | 5 |
| 2015 | 3 | 9 |
| 2016 | 6 | 8 |
| 2017 | 4 | 6 |
| 2018 | 9 | 11 |
| 2019 | 10 | 15 |
| 2020 | 9 | 6 |
| 2021 | 8 | 9 |
| 2022 | 5 | 7 |
| 2023 | 3 | 2 |
| 2024 | 5 | 8 |
| 2025 | 1 | 5 |
By publication year. Applications have been published since 2001.
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