B01D 29/6469
Scrapers
Official title: {scrapers}
B01D29/6469 (Scrapers) appears on 483 US grants and 286 published applications in this corpus.
Search patents in B01D- Granted patents
- 483
- Published applications
- 286
- Assignees
- 273
- Inventors
- 784
- Latest grant
- 18 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 5 | 0 |
| 1977 | 6 | 0 |
| 1978 | 8 | 0 |
| 1979 | 2 | 0 |
| 1980 | 7 | 0 |
| 1981 | 12 | 0 |
| 1982 | 6 | 0 |
| 1983 | 10 | 0 |
| 1984 | 8 | 0 |
| 1985 | 1 | 0 |
| 1986 | 5 | 0 |
| 1987 | 5 | 0 |
| 1988 | 9 | 0 |
| 1989 | 15 | 0 |
| 1990 | 8 | 0 |
| 1991 | 13 | 0 |
| 1992 | 20 | 0 |
| 1993 | 15 | 0 |
| 1994 | 6 | 0 |
| 1995 | 17 | 0 |
| 1996 | 11 | 0 |
| 1997 | 13 | 0 |
| 1998 | 15 | 0 |
| 1999 | 9 | 0 |
| 2000 | 16 | 0 |
| 2001 | 14 | 4 |
| 2002 | 17 | 7 |
| 2003 | 13 | 14 |
| 2004 | 9 | 9 |
| 2005 | 5 | 10 |
| 2006 | 4 | 3 |
| 2007 | 4 | 6 |
| 2008 | 3 | 5 |
| 2009 | 3 | 5 |
| 2010 | 6 | 11 |
| 2011 | 9 | 9 |
| 2012 | 9 | 9 |
| 2013 | 4 | 13 |
| 2014 | 4 | 6 |
| 2015 | 7 | 21 |
| 2016 | 10 | 16 |
| 2017 | 10 | 12 |
| 2018 | 12 | 21 |
| 2019 | 11 | 15 |
| 2020 | 15 | 14 |
| 2021 | 15 | 12 |
| 2022 | 11 | 17 |
| 2023 | 11 | 11 |
| 2024 | 15 | 14 |
| 2025 | 11 | 14 |
| 2026 | 9 | 8 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Separator for wastewater system18 Aug 2026US 12,709,887 B2Jets AS
- Clothes treating apparatus11 Aug 2026US 12,703,938 B2Samsung Electronics Co., Ltd.
- Cyclone separator and dishwasher4 Aug 2026US 12,697,628 B2Guangdong Midea White Home Appliance Technology Innovation Center Co., Ltd.
- Filter apparatus and clothes treating apparatus having the same21 Jul 2026US 12,686,962 B2Samsung Electronics Co., Ltd.
- Filter apparatus and clothes treating apparatus having the same21 Jul 2026US 12,686,963 B2Samsung Electronics Co., Ltd.
- Magnetically-coupled filtration system1 Oct 2026US 2026/0295477 A1
- Screening Device, Screening Element and Method for Producing a Screening Device27 Aug 2026US 2026/0249215 A1Huber SE
- Filter screen, tubular filter and filter device30 Jul 2026US 2026/0216624 A1Maag Ettlinger GmbH
- A multi-process filtering and drying apparatus18 Jun 2026US 2026/0166453 A1Gmm Pfaudler Limited
- Systems for filtering fines from coke products and associated devices and methods11 Jun 2026US 2026/0158420 A1
Most cited
By later US patents
- Filter media cartridge119US 5,601,717 ASiebec S.A. · 1997
- Filter with axially and rotatably movable wiper82US 5,569,383 ADelaware Capital Formation, Inc. · 1996
- Method and apparatus for collecting, defluidizing and disposing of oil and gas well drill cuttings77US 6,170,580 B22001
- Method and apparatus for drilling and separating70US 4,836,611 AConsolidation Coal Company · 1989
- Method and apparatus for separating and deliquifying liquid slurries62US 5,833,851 A1998