B01J 2219/1941
Circular or disk-shaped
Official title: circular or disk-shaped
B01J2219/1941 (Circular or disk-shaped) appears on 766 US grants and 697 published applications in this corpus.
Search patents in B01J- Granted patents
- 766
- Published applications
- 697
- Assignees
- 519
- Inventors
- 2,005
- Latest grant
- 2 Jun 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 12 | 0 |
| 1977 | 9 | 0 |
| 1978 | 10 | 0 |
| 1979 | 5 | 0 |
| 1980 | 6 | 0 |
| 1981 | 5 | 0 |
| 1982 | 7 | 0 |
| 1983 | 6 | 0 |
| 1984 | 7 | 0 |
| 1985 | 7 | 0 |
| 1986 | 11 | 0 |
| 1987 | 7 | 0 |
| 1988 | 4 | 0 |
| 1989 | 4 | 0 |
| 1990 | 5 | 0 |
| 1991 | 7 | 0 |
| 1992 | 4 | 0 |
| 1993 | 9 | 0 |
| 1994 | 2 | 0 |
| 1995 | 9 | 0 |
| 1996 | 16 | 0 |
| 1997 | 17 | 0 |
| 1998 | 13 | 0 |
| 1999 | 9 | 0 |
| 2000 | 23 | 0 |
| 2001 | 21 | 13 |
| 2002 | 20 | 32 |
| 2003 | 20 | 33 |
| 2004 | 18 | 27 |
| 2005 | 14 | 27 |
| 2006 | 23 | 28 |
| 2007 | 13 | 50 |
| 2008 | 13 | 35 |
| 2009 | 23 | 35 |
| 2010 | 42 | 27 |
| 2011 | 29 | 41 |
| 2012 | 30 | 23 |
| 2013 | 27 | 21 |
| 2014 | 19 | 17 |
| 2015 | 23 | 23 |
| 2016 | 15 | 32 |
| 2017 | 25 | 25 |
| 2018 | 21 | 20 |
| 2019 | 26 | 26 |
| 2020 | 22 | 31 |
| 2021 | 23 | 34 |
| 2022 | 20 | 25 |
| 2023 | 24 | 20 |
| 2024 | 18 | 21 |
| 2025 | 14 | 15 |
| 2026 | 9 | 16 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Oligomeriser with an improved feed system2 Jun 2026US 12,643,080 B2Sabic Global Technologies B.V.
- Reactor for the conversion of hydrocarbons and method14 Apr 2026US 12,599,886 B2Sabic Global Technologies B.V.
- Systems and methods for dispersion of dry powders7 Apr 2026US 12,594,536 B2
- Controlling contamination in hydrogen production from water-reactive aluminum24 Mar 2026US 12,582,958 B1Ltag Systems LLC
- Coated metal oxide materials and method, process, and apparatus for making the same3 Mar 2026US 12,567,585 B2Action Battery Technologies, Inc.
- Bioreactor systems1 Oct 2026US 2026/0295554 A1ABEC, Inc.
- Continuous reactor10 Sep 2026US 2026/0264043 A1iFactory Inc.
- Recirculatory fiber reactor27 Aug 2026US 2026/0249265 A1Chemtor, LP
- Reforming device27 Aug 2026US 2026/0249266 A1Kabushiki Kaisha Toyota Jidoshokki
- Systems and methods for dispersion of dry powders20 Aug 2026US 2026/0241361 A1
Most cited
By later US patents
- End use applications of biodegradable polymers1,525US 5,444,113 AEcopol, LLC · 1995
- Blends of polyactic acid312US 5,216,050 ABioPak Technology, Ltd. · 1993
- Degradable polymer composition271US 5,502,158 AEcopol, LLC · 1996
- Degradable polymer composition231US 5,834,582 AChronopol, Inc. · 1998
- Degradation control of environmentally degradable disposable materials223US 6,323,307 B1Cargill Dow Polymers, LLC · 2001