B01D 21/2455
Conveyor belts
Official title: {Conveyor belts}
B01D21/2455 (Conveyor belts) appears on 72 US grants and 55 published applications in this corpus.
Search patents in B01D- Granted patents
- 72
- Published applications
- 55
- Assignees
- 51
- Inventors
- 114
- Latest grant
- 1 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 1 | 0 |
| 1992 | 1 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 1 | 0 |
| 1997 | 1 | 0 |
| 1998 | 5 | 0 |
| 1999 | 1 | 0 |
| 2000 | 2 | 0 |
| 2001 | 1 | 2 |
| 2002 | 6 | 6 |
| 2003 | 3 | 3 |
| 2004 | 5 | 3 |
| 2005 | 3 | 3 |
| 2006 | 2 | 1 |
| 2007 | 0 | 0 |
| 2008 | 1 | 1 |
| 2009 | 2 | 1 |
| 2010 | 0 | 0 |
| 2011 | 1 | 0 |
| 2012 | 1 | 0 |
| 2013 | 0 | 1 |
| 2014 | 0 | 0 |
| 2015 | 0 | 2 |
| 2016 | 2 | 2 |
| 2017 | 3 | 1 |
| 2018 | 1 | 4 |
| 2019 | 1 | 1 |
| 2020 | 3 | 4 |
| 2021 | 6 | 6 |
| 2022 | 3 | 2 |
| 2023 | 6 | 5 |
| 2024 | 2 | 5 |
| 2025 | 0 | 1 |
| 2026 | 4 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Plant and method for recycling and filtering rolling oil1 Sep 2026US 12,722,104 B2Fives Dms
- Sedimentation tank system including high-rate filtration part and capable of primary treatment of sewage and wastewater, flow equalization, and treatment of wet weather flow3 Mar 2026US 12,564,798 B2Tomorrow Water
- Roller for chain and scraper assembly3 Feb 2026US 12,539,473 B2Evoqua Water Technologies LLC
- Methods and apparatuses for distilling seawater and brine and removing salt6 Jan 2026US 12,515,967 B2Desert Water LLC
- Systems and methods of intensive recirculating aquaculture31 Dec 2024US 12,178,195 B1Atlantic Sapphire IP, LLC
- Methods and apparatuses for distilling seawater and brine and removing salt2 Apr 2026US 2026/0091990 A1Desert Water LLC
- Non-metallic conveyor chain having improved durability, and sludge removal facility including same24 Jul 2025US 2025/0236467 A1Linkon Technology Co., Ltd.
- Plant and method for recycling and filtering rolling oil22 Aug 2024US 2024/0278150 A1Fives Dms
- Roller for chain and scraper assembly11 Jul 2024US 2024/0226774 A9Evoqua Water Technolgoies LLC
- Plant and process for removing suspended solids, oils and greases from cooling water in the steel and metallurgical sector6 Jun 2024US 2024/0181373 A1Danieli & C. Officine Meccaniche SpA
Most cited
By later US patents
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- Biological individual sampler63US 6,729,196 B2MesoSystems Technology, Inc. · 2004
- Process and device for production of LNG by removal of freezable solids45US 7,325,415 B2Cool Energy, Inc. · 2008
- Apparatus for treating waste water39US 4,045,344 AIshigaki Kiko Co., Ltd. · 1977
- Fluid coolant cleaning system for machine tool applications39US 5,167,839 AH & W Systems Corporation · 1992