B65G 53/30
Conveying materials in bulk through pipes or tubes by liquid pressure
B65G53/30 (Conveying materials in bulk through pipes or tubes by liquid pressure) appears on 240 US grants and 82 published applications in this corpus.
Search patents in B65G- Granted patents
- 240
- Published applications
- 82
- Assignees
- 138
- Inventors
- 351
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 20 | 0 |
| 1977 | 7 | 0 |
| 1978 | 10 | 0 |
| 1979 | 16 | 0 |
| 1980 | 10 | 0 |
| 1981 | 9 | 0 |
| 1982 | 8 | 0 |
| 1983 | 13 | 0 |
| 1984 | 10 | 0 |
| 1985 | 13 | 0 |
| 1986 | 7 | 0 |
| 1987 | 7 | 0 |
| 1988 | 4 | 0 |
| 1989 | 9 | 0 |
| 1990 | 3 | 0 |
| 1991 | 5 | 0 |
| 1992 | 4 | 0 |
| 1993 | 4 | 0 |
| 1994 | 0 | 0 |
| 1995 | 2 | 0 |
| 1996 | 2 | 0 |
| 1997 | 0 | 0 |
| 1998 | 1 | 0 |
| 1999 | 1 | 0 |
| 2000 | 1 | 0 |
| 2001 | 4 | 0 |
| 2002 | 3 | 3 |
| 2003 | 4 | 2 |
| 2004 | 1 | 2 |
| 2005 | 1 | 2 |
| 2006 | 1 | 0 |
| 2007 | 0 | 0 |
| 2008 | 2 | 2 |
| 2009 | 1 | 0 |
| 2010 | 0 | 3 |
| 2011 | 2 | 6 |
| 2012 | 1 | 2 |
| 2013 | 2 | 3 |
| 2014 | 4 | 4 |
| 2015 | 1 | 4 |
| 2016 | 5 | 9 |
| 2017 | 7 | 3 |
| 2018 | 4 | 4 |
| 2019 | 3 | 5 |
| 2020 | 6 | 5 |
| 2021 | 3 | 3 |
| 2022 | 4 | 3 |
| 2023 | 4 | 3 |
| 2024 | 4 | 6 |
| 2025 | 4 | 1 |
| 2026 | 3 | 7 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Fluid-floated conveying device6 Oct 2026US 12,753,027 B2
- Pumping system and method12 May 2026US 12,623,862 B2Karmøy Winch AS
- Method and device for transporting powders6 Jan 2026US 12,515,894 B2Commissariat A L' Energie Atomique Et Aux Energies Alternatives
- Media handling system and related method9 Dec 2025US 12,493,308 B2Global Met Tech Pty Ltd
- Methods and systems to control percent solids in conveyance pipe4 Nov 2025US 12,459,758 B2SonDance Solutions LLC
- Method for rotating an elongated body11 Jun 2026US 2026/0159329 A1Pip Innovations B.V.
- Method and device for transferring floating biomass28 May 2026US 2026/0145888 A1GreenOnyx LTD
- Tank arrangement and method for handling biomass21 May 2026US 2026/0137093 A1MMC First Process AS
- Device for transferring liquid16 Apr 2026US 2026/0103352 A1Searas AS
- Media handling system and related method2 Apr 2026US 2026/0093277 A1Global Met Tech Pty Ltd
Most cited
By later US patents
- Lamellar micelle containing compositions which exhibit retro-viscous properties56US 3,954,627 AMarathon Oil Company · 1976
- Transport of aqueous coal slurries51US 4,242,098 AUnion Carbide Corporation · 1980
- Slurry production system38US 4,436,429 A1984
- Method for maximizing the efficiency of a hydrocarbon slurry by controlling the overhead cut36US 4,149,756 AMarathon Oil Company · 1979
- Apparatus for hydraulically transporting solids33US 3,931,999 AContinental Oil Company · 1976