B65G 53/52
Adaptations of pipes or tubes
B65G53/52 (Adaptations of pipes or tubes) appears on 469 US grants and 278 published applications in this corpus.
Search patents in B65G- Granted patents
- 469
- Published applications
- 278
- Assignees
- 308
- Inventors
- 810
- Latest grant
- 9 Jun 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 10 | 0 |
| 1977 | 10 | 0 |
| 1978 | 5 | 0 |
| 1979 | 5 | 0 |
| 1980 | 4 | 0 |
| 1981 | 8 | 0 |
| 1982 | 3 | 0 |
| 1983 | 9 | 0 |
| 1984 | 11 | 0 |
| 1985 | 15 | 0 |
| 1986 | 14 | 0 |
| 1987 | 12 | 0 |
| 1988 | 10 | 0 |
| 1989 | 10 | 0 |
| 1990 | 16 | 0 |
| 1991 | 15 | 0 |
| 1992 | 13 | 0 |
| 1993 | 16 | 0 |
| 1994 | 8 | 0 |
| 1995 | 4 | 0 |
| 1996 | 6 | 0 |
| 1997 | 5 | 0 |
| 1998 | 10 | 0 |
| 1999 | 5 | 0 |
| 2000 | 5 | 0 |
| 2001 | 14 | 1 |
| 2002 | 9 | 7 |
| 2003 | 10 | 10 |
| 2004 | 11 | 9 |
| 2005 | 4 | 14 |
| 2006 | 8 | 5 |
| 2007 | 6 | 10 |
| 2008 | 2 | 11 |
| 2009 | 5 | 8 |
| 2010 | 3 | 11 |
| 2011 | 8 | 5 |
| 2012 | 6 | 10 |
| 2013 | 4 | 10 |
| 2014 | 6 | 7 |
| 2015 | 5 | 15 |
| 2016 | 8 | 9 |
| 2017 | 15 | 17 |
| 2018 | 16 | 21 |
| 2019 | 14 | 18 |
| 2020 | 20 | 17 |
| 2021 | 21 | 19 |
| 2022 | 12 | 11 |
| 2023 | 9 | 6 |
| 2024 | 8 | 12 |
| 2025 | 10 | 8 |
| 2026 | 6 | 7 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- B65G 53/521Means for preventing the accumulation or for removal of deposits117
- B65G 53/56Switches96
- B65G 53/523Wear protection72
- B65G 53/525For conveyance in plug-form68
- B65G 53/528Flux combining or dividing arrangements61
- B65G 53/526With means for special treatment to facilitate transport27
- B65G 53/54Flexible pipes or tubes7
Recent patents
- Gunite feed system9 Jun 2026US 12,649,259 B2
- Apparatus and method for moving viscous fluid by pressure12 May 2026US 12,624,793 B2Danhydra A/S
- System and method for distributing raw material powder to a plurality of additive manufacturing machines10 Mar 2026US 12,569,915 B2Nikon SLM Solutions AG
- Dense phase powder pump3 Mar 2026US 12,564,849 B2Gema Switzerland GmbH
- Particle transfer system and particle transfer method13 Jan 2026US 12,522,450 B2Techwin Co., Ltd.
- 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.
- Tube insert to prevent chattering18 Jun 2026US 2026/0167439 A1Innovation Associates, Inc.
- Solids-conveying pipe assembly with wear measurement4 Jun 2026US 2026/0153171 A1Esser-Werke GmbH & Co. KG
- Device for transferring liquid16 Apr 2026US 2026/0103352 A1Searas AS
Most cited
By later US patents
- Vibration abrasive resistant fabric covering117US 4,836,080 AThe Bentley-Harris Manufacturing Company · 1989
- Method and apparatus for intermittently depositing particulate material in a substrate and article made therewith99US 5,156,902 AKimberly-Clark Corporation · 1992
- Apparatus for intermittently depositing particulate material in a substrate76US 5,028,224 AKimberly-Clark Corporation · 1991
- Wear indicator for material transfer systems75US 5,228,478 A1993
- Pressure tank, an device for feeding powder to a conveying pipe, and its feeding method, and method for determining feeding intervals of powder to the conveying pipe58US 8,113,745 B2Sintokogio, Ltd. · 2012