F28G 15/04
Feeding and driving arrangements
Official title: Feeding and driving arrangements, e.g. power operation
F28G15/04 (Feeding and driving arrangements) appears on 219 US grants and 186 published applications in this corpus.
Search patents in F28G- Granted patents
- 219
- Published applications
- 186
- Assignees
- 104
- Inventors
- 346
- Latest grant
- 29 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 0 | 0 |
| 1979 | 2 | 0 |
| 1980 | 2 | 0 |
| 1981 | 1 | 0 |
| 1982 | 5 | 0 |
| 1983 | 4 | 0 |
| 1984 | 3 | 0 |
| 1985 | 2 | 0 |
| 1986 | 2 | 0 |
| 1987 | 1 | 0 |
| 1988 | 1 | 0 |
| 1989 | 2 | 0 |
| 1990 | 0 | 0 |
| 1991 | 7 | 0 |
| 1992 | 5 | 0 |
| 1993 | 6 | 0 |
| 1994 | 12 | 0 |
| 1995 | 4 | 0 |
| 1996 | 4 | 0 |
| 1997 | 2 | 0 |
| 1998 | 5 | 0 |
| 1999 | 1 | 0 |
| 2000 | 0 | 0 |
| 2001 | 2 | 0 |
| 2002 | 0 | 1 |
| 2003 | 1 | 1 |
| 2004 | 5 | 5 |
| 2005 | 1 | 1 |
| 2006 | 2 | 1 |
| 2007 | 1 | 5 |
| 2008 | 0 | 3 |
| 2009 | 0 | 2 |
| 2010 | 1 | 6 |
| 2011 | 3 | 10 |
| 2012 | 3 | 5 |
| 2013 | 3 | 4 |
| 2014 | 7 | 7 |
| 2015 | 4 | 7 |
| 2016 | 4 | 14 |
| 2017 | 6 | 12 |
| 2018 | 17 | 17 |
| 2019 | 15 | 8 |
| 2020 | 6 | 16 |
| 2021 | 9 | 9 |
| 2022 | 16 | 13 |
| 2023 | 13 | 10 |
| 2024 | 9 | 9 |
| 2025 | 13 | 7 |
| 2026 | 6 | 13 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Tractor radiator cleaning arrangement29 Sep 2026US 12,747,919 B2
- Method and cleaning device for cleaning the interior of a pipe16 Jun 2026US 12,656,071 B2Lobbe Industrieservice GmbH & Co KG
- Method and cleaning device for cleaning the interior of pipes2 Jun 2026US 12,643,131 B2Lobbe Industrieservice GmbH & Co KG
- Method for identifying and eliminating ammonium salt deposition characteristics in pipe bundle of hydrogenation air cooler14 Apr 2026US 12,601,553 B2Zhejiang Sci-Tech University
- Dual endless belt flexible lance hose drive apparatus and system17 Mar 2026US 12,577,079 B2Stoneage, Inc.
- Method of operating a lance cleaning machine using multiple modes20 Aug 2026US 2026/0243525 A1Stoneage, Inc.
- Method and apparatus for determining relative locations of tubes in a heat exchanger bundle20 Aug 2026US 2026/0243526 A1Stoneage, Inc.
- Method and apparatus for compensating for machine-mounting orientation20 Aug 2026US 2026/0243527 A1Stoneage, Inc.
- Method and apparatus for conserving movement in a bundle-cleaning assembly20 Aug 2026US 2026/0243528 A1Stoneage, Inc.
- Method of controlling lance movement through heater exchanger assemblies20 Aug 2026US 2026/0243529 A1Stoneage, Inc.
Most cited
By later US patents
- Heat exchanger exchange-tube cleaning lance positioning system62US 6,681,839 B12004
- Process and apparatus for removal of the sludge deposits on the tube sheet of a steam generator52US 4,424,769 AFramatome · 1984
- Flexible lance for steam generator secondary side sludge removal46US 5,065,703 AElectric Power Research Institute, Inc. · 1991
- Flexible lance and drive system37US 5,036,871 AElectric Power Research Institute, Inc. · 1991
- Hub assembly for sootblower37US 5,090,087 AThe Babcock & Wilcox Company · 1992