F28G 15/00
Details
Official title: Details (measuring thickness of deposit G01B)
F28G15/00 (Details) appears on 507 US grants and 509 published applications in this corpus.
Search patents in F28G- Granted patents
- 507
- Published applications
- 509
- Assignees
- 310
- Inventors
- 983
- Latest grant
- 29 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 1 | 0 |
| 1978 | 1 | 0 |
| 1979 | 2 | 0 |
| 1980 | 2 | 0 |
| 1981 | 1 | 0 |
| 1982 | 8 | 0 |
| 1983 | 7 | 0 |
| 1984 | 6 | 0 |
| 1985 | 2 | 0 |
| 1986 | 4 | 0 |
| 1987 | 1 | 0 |
| 1988 | 4 | 0 |
| 1989 | 6 | 0 |
| 1990 | 2 | 0 |
| 1991 | 9 | 0 |
| 1992 | 7 | 0 |
| 1993 | 10 | 0 |
| 1994 | 18 | 0 |
| 1995 | 5 | 0 |
| 1996 | 6 | 0 |
| 1997 | 6 | 0 |
| 1998 | 8 | 0 |
| 1999 | 3 | 0 |
| 2000 | 1 | 0 |
| 2001 | 4 | 0 |
| 2002 | 1 | 3 |
| 2003 | 2 | 3 |
| 2004 | 8 | 9 |
| 2005 | 4 | 7 |
| 2006 | 5 | 9 |
| 2007 | 2 | 8 |
| 2008 | 6 | 10 |
| 2009 | 4 | 12 |
| 2010 | 5 | 22 |
| 2011 | 10 | 21 |
| 2012 | 10 | 21 |
| 2013 | 13 | 14 |
| 2014 | 18 | 18 |
| 2015 | 14 | 23 |
| 2016 | 14 | 35 |
| 2017 | 25 | 34 |
| 2018 | 33 | 33 |
| 2019 | 31 | 29 |
| 2020 | 24 | 32 |
| 2021 | 20 | 30 |
| 2022 | 34 | 34 |
| 2023 | 27 | 32 |
| 2024 | 28 | 27 |
| 2025 | 30 | 20 |
| 2026 | 13 | 23 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- F28G 15/04Feeding and driving arrangements219
- F28G 15/003Control arrangements208
- F28G 15/02Supports for cleaning appliances152
- F28G 15/08Locating position of cleaning appliances within conduits58
- F28G 2015/006Arrangements for processing a cleaning fluid after useIndexing code27
- F28G 15/10Masks for delimiting area to be cleaned3
Recent patents
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- Tractor radiator cleaning arrangement29 Sep 2026US 12,747,919 B2
- Method, system and apparatus for hydrocarbon flow system fluid cooling4 Aug 2026US 12,698,942 B2Empig AS
- Process and system for automated online fouling prevention of vertical shell and tube gas-to-gas heat exchangers14 Jul 2026US 12,680,769 B2OMNI Conversion Technologies Inc.
- Industrial cleaning systems, including solutions for removing various types of deposits, and cognitive cleaning16 Jun 2026US 12,656,070 B2Angara Global Ltd.
- Method for preventing contamination in heat exchangers8 Oct 2026US 2026/0309436 A1Kiturami Co., Ltd.
- Heat transfer system24 Sep 2026US 2026/0287285 A1Bradford White Corporation
- Economizers for waste heat recovery systems27 Aug 2026US 2026/0251406 A1Scope Technology and Manufacturing, LLC
- 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.
Most cited
By later US patents
- Heat exchanger exchange-tube cleaning lance positioning system62US 6,681,839 B12004
- Sludge measuring apparatus and ultrasonic probe assembly therefor60US 4,355,536 AWestinghouse Electric Corp. · 1982
- Automated heat exchanger tube cleaning assembly and system59US 8,308,869 B2Aquilex Hydrochem, Inc. · 2012
- 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