B65G 53/521
Means for preventing the accumulation or for removal of deposits
Official title: {means for preventing the accumulation or for removal of deposits (preventing accumulation in pipes in general F16L55/24)}
B65G53/521 (Means for preventing the accumulation or for removal of deposits) appears on 117 US grants and 79 published applications in this corpus.
Search patents in B65G- Granted patents
- 117
- Published applications
- 79
- Assignees
- 94
- Inventors
- 202
- Latest grant
- 13 Jan 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 0 | 0 |
| 1978 | 3 | 0 |
| 1979 | 1 | 0 |
| 1980 | 2 | 0 |
| 1981 | 0 | 0 |
| 1982 | 2 | 0 |
| 1983 | 2 | 0 |
| 1984 | 0 | 0 |
| 1985 | 3 | 0 |
| 1986 | 3 | 0 |
| 1987 | 2 | 0 |
| 1988 | 1 | 0 |
| 1989 | 1 | 0 |
| 1990 | 3 | 0 |
| 1991 | 2 | 0 |
| 1992 | 5 | 0 |
| 1993 | 6 | 0 |
| 1994 | 2 | 0 |
| 1995 | 0 | 0 |
| 1996 | 2 | 0 |
| 1997 | 1 | 0 |
| 1998 | 3 | 0 |
| 1999 | 1 | 0 |
| 2000 | 1 | 0 |
| 2001 | 3 | 0 |
| 2002 | 1 | 5 |
| 2003 | 5 | 5 |
| 2004 | 7 | 6 |
| 2005 | 2 | 8 |
| 2006 | 7 | 2 |
| 2007 | 3 | 5 |
| 2008 | 1 | 2 |
| 2009 | 0 | 1 |
| 2010 | 1 | 2 |
| 2011 | 0 | 1 |
| 2012 | 1 | 0 |
| 2013 | 0 | 0 |
| 2014 | 2 | 1 |
| 2015 | 1 | 4 |
| 2016 | 0 | 1 |
| 2017 | 1 | 1 |
| 2018 | 3 | 4 |
| 2019 | 3 | 5 |
| 2020 | 6 | 9 |
| 2021 | 10 | 4 |
| 2022 | 3 | 5 |
| 2023 | 2 | 1 |
| 2024 | 3 | 3 |
| 2025 | 3 | 2 |
| 2026 | 1 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
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- Method for feeding solid material to a mixing device, solid-material feeding device and mixing assembly13 May 2025US 12,296,309 B2IKA-Werke GmbH & Co. KG
- Material flow amplifier11 Jun 2024US 12,006,957 B2Vortex Pipe Systems LLC
- Distribution system for bulk materials20 Aug 2026US 2026/0242158 A1Main Tech S.R.L.
- Transfer System for Electrode Raw Materials25 Jun 2026US 2026/0175182 A1LG Energy Solution, Ltd.
- Flow rate adjustment device4 Dec 2025US 2025/0368456 A1IHI Corporation
- Powder Transfer System8 May 2025US 2025/0144585 A1LG Energy Solution, Ltd.
- Material flow amplifier29 Aug 2024US 2024/0288012 A1Vortex Pipe Systems LLC
Most cited
By later US patents
- Particulate conveyor device and apparatus55US 6,227,768 B1Xerox Corporation · 2001
- Pneumatic conveyor device and method35US 7,144,204 B2Claudius Peters Technologies GmbH · 2006
- Method and apparatus for the pneumatic conveying of fine bulk material33US 6,786,681 B2Bayer Aktiengesellschaft · 2004
- Apparatus for pneumatically conveying bulk material30US 4,909,676 AWaeschle Maschinenfabrik GmbH · 1990
- Mixing method and apparatus utilizing pipe elbows27US 4,410,281 ARalph B. Carter Company · 1983