F28G 1/00
Non-rotary
Official title: Non-rotary, e.g. reciprocated, appliances (F28G3/00 takes precedence)
F28G1/00 (Non-rotary) appears on 656 US grants and 460 published applications in this corpus.
Search patents in F28G- Granted patents
- 656
- Published applications
- 460
- Assignees
- 358
- Inventors
- 1,119
- Latest grant
- 29 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 7 | 0 |
| 1977 | 2 | 0 |
| 1978 | 4 | 0 |
| 1979 | 4 | 0 |
| 1980 | 5 | 0 |
| 1981 | 10 | 0 |
| 1982 | 11 | 0 |
| 1983 | 20 | 0 |
| 1984 | 9 | 0 |
| 1985 | 21 | 0 |
| 1986 | 23 | 0 |
| 1987 | 16 | 0 |
| 1988 | 12 | 0 |
| 1989 | 14 | 0 |
| 1990 | 8 | 0 |
| 1991 | 13 | 0 |
| 1992 | 12 | 0 |
| 1993 | 16 | 0 |
| 1994 | 15 | 0 |
| 1995 | 16 | 0 |
| 1996 | 17 | 0 |
| 1997 | 11 | 0 |
| 1998 | 8 | 0 |
| 1999 | 12 | 0 |
| 2000 | 9 | 0 |
| 2001 | 9 | 4 |
| 2002 | 7 | 7 |
| 2003 | 7 | 4 |
| 2004 | 8 | 10 |
| 2005 | 4 | 6 |
| 2006 | 7 | 12 |
| 2007 | 5 | 8 |
| 2008 | 5 | 13 |
| 2009 | 6 | 19 |
| 2010 | 10 | 19 |
| 2011 | 11 | 20 |
| 2012 | 7 | 19 |
| 2013 | 14 | 20 |
| 2014 | 12 | 21 |
| 2015 | 13 | 17 |
| 2016 | 17 | 26 |
| 2017 | 18 | 33 |
| 2018 | 27 | 31 |
| 2019 | 29 | 26 |
| 2020 | 20 | 24 |
| 2021 | 18 | 17 |
| 2022 | 32 | 32 |
| 2023 | 19 | 23 |
| 2024 | 20 | 16 |
| 2025 | 23 | 18 |
| 2026 | 13 | 15 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- F28G 1/16Non-rotary: using jets of fluid for removing debris363
- F28G 1/12Fluid-propelled scrapers, bullets, or like solid bodies222
- F28G 1/08Non-rotary: having scrapers, hammers, or cutters41
- F28G 1/02Non-rotary: having brushes29
- F28G 1/04Non-rotary: having articulated tools15
- F28G 1/06Non-rotary: having coiled wire tools, i.e. basket type4
- F28G 1/14Pull-through rods4
Recent patents
- Clothes care apparatus and method for controlling the same29 Sep 2026US 12,747,529 B2Samsung Electronics Co., Ltd.
- Tractor radiator cleaning arrangement29 Sep 2026US 12,747,919 B2
- Method for manufacturing water absorbent resin15 Sep 2026US 12,734,560 B2Sumitomo Seika Chemicals Co., Ltd.
- Zero-power-consumption self-adaptive distributed waste heat recovery and utilization system for ethylene device8 Sep 2026US 12,729,854 B2Beijing Aerospace Energy Conservation and Environmental Protection Technology Co., Ltd
- Systems, methods and devices for cooling tower maintenance and repair4 Aug 2026US 12,698,941 B2
- Economizers for waste heat recovery systems27 Aug 2026US 2026/0251406 A1Scope Technology and Manufacturing, LLC
- Wastewater heat exchanger27 Aug 2026US 2026/0251411 A1
- Separation of cleaning bodies from a stream of fluid30 Jul 2026US 2026/0219000 A1Taprogge GmbH
- Fin Fan Cleaning Device and Method9 Jul 2026US 2026/0194319 A1Precision Iceblast Corporation
- Clothes treating apparatus2 Jul 2026US 2026/0185290 A1Samsung Electronics Co., Ltd.
Most cited
By later US patents
- Method of monitoring condenser performance and system therefor86US 4,390,058 AHitachi, Ltd. · 1983
- Heat exchanger exchange-tube cleaning lance positioning system62US 6,681,839 B12004
- Pipeline pig59US 6,500,271 B12002
- Automated heat exchanger tube cleaning assembly and system59US 8,308,869 B2Aquilex Hydrochem, Inc. · 2012
- Water cannon apparatus and method for cleaning a tube bundle heat exchanger, boiler, condenser, or the like49US 4,773,357 AAnco Engineers, Inc. · 1988