B01J 8/0035
Periodical feeding or evacuation
Official title: {Periodical feeding or evacuation}
B01J8/0035 (Periodical feeding or evacuation) appears on 230 US grants and 212 published applications in this corpus.
Search patents in B01J- Granted patents
- 230
- Published applications
- 212
- Assignees
- 156
- Inventors
- 562
- Latest grant
- 21 Apr 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 4 | 0 |
| 1978 | 2 | 0 |
| 1979 | 2 | 0 |
| 1980 | 0 | 0 |
| 1981 | 2 | 0 |
| 1982 | 0 | 0 |
| 1983 | 1 | 0 |
| 1984 | 2 | 0 |
| 1985 | 2 | 0 |
| 1986 | 1 | 0 |
| 1987 | 2 | 0 |
| 1988 | 2 | 0 |
| 1989 | 2 | 0 |
| 1990 | 3 | 0 |
| 1991 | 1 | 0 |
| 1992 | 3 | 0 |
| 1993 | 5 | 0 |
| 1994 | 3 | 0 |
| 1995 | 5 | 0 |
| 1996 | 3 | 0 |
| 1997 | 2 | 0 |
| 1998 | 1 | 0 |
| 1999 | 6 | 0 |
| 2000 | 5 | 0 |
| 2001 | 5 | 5 |
| 2002 | 5 | 8 |
| 2003 | 3 | 2 |
| 2004 | 7 | 14 |
| 2005 | 7 | 8 |
| 2006 | 3 | 2 |
| 2007 | 6 | 12 |
| 2008 | 6 | 7 |
| 2009 | 8 | 7 |
| 2010 | 7 | 11 |
| 2011 | 7 | 12 |
| 2012 | 5 | 7 |
| 2013 | 6 | 11 |
| 2014 | 8 | 4 |
| 2015 | 12 | 5 |
| 2016 | 7 | 11 |
| 2017 | 9 | 7 |
| 2018 | 6 | 5 |
| 2019 | 8 | 8 |
| 2020 | 2 | 15 |
| 2021 | 13 | 10 |
| 2022 | 10 | 10 |
| 2023 | 6 | 11 |
| 2024 | 8 | 11 |
| 2025 | 5 | 5 |
| 2026 | 2 | 4 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Systems and techniques for polymer degassing21 Apr 2026US 12,606,643 B2Chevron Phillips Chemical Company LP
- Use of a continuous catalyst regeneration type reformer for the aromax® catalyst process27 Jan 2026US 12,533,650 B2Chevron Phillips Chemical Company LP
- Dispersion device and powder feed member30 Dec 2025US 12,508,554 B2Nihon Spindle Manufacturing Co., Ltd.
- Rotatable retaining device for tubular reactors21 Oct 2025US 12,447,453 B2Johnson Matthey Davy Technologies Limited
- Methods and apparatus for installation and removal of catalyst carriers20 May 2025US 12,303,882 B2Johnson Matthey Davy Technologies Limited
- Reactor with backflow safeguard23 Jul 2026US 2026/0208140 A1BASF SE
- Apparatus for supplying a catalyst slurry16 Jul 2026US 2026/0199859 A1Ineos Europe AG
- System and methods configured to enable improved/optimised control of a hydrocarbon pyrolysis process16 Jul 2026US 2026/0199860 A1Hazer Group Ltd.
- Method to protect catalyst in a catalyst-containing structure for removal from a reactor9 Jul 2026US 2026/0192271 A1Saudi Arabian Oil Company
- Improved horizontal radial flow reactor3 Jul 2025US 2025/0214051 A1Casale SA
Most cited
By later US patents
- Chamber sealing member553US 9,005,539 B2ASM IP Holding B. V. · 2015
- Fluidized bed reactor147US 4,003,712 AUnion Carbide Corporation · 1977
- Polyester process using a pipe reactor76US 6,861,494 B2Eastman Chemical Company · 2005
- Polypropylene copolymer alloys and process for making64US 5,994,482 AExxon Chemical Patents Inc. · 1999
- Moving bed radial flow reactor for high gas flow57US 5,130,106 AUop LLC · 1992