B01J 35/55
Cylinders or rings
B01J35/55 (Cylinders or rings) appears on 370 US grants and 405 published applications in this corpus.
Search patents in B01J- Granted patents
- 370
- Published applications
- 405
- Assignees
- 239
- Inventors
- 1,281
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 5 | 0 |
| 1977 | 3 | 0 |
| 1978 | 5 | 0 |
| 1979 | 1 | 0 |
| 1980 | 0 | 0 |
| 1981 | 3 | 0 |
| 1982 | 5 | 0 |
| 1983 | 9 | 0 |
| 1984 | 5 | 0 |
| 1985 | 10 | 0 |
| 1986 | 1 | 0 |
| 1987 | 6 | 0 |
| 1988 | 2 | 0 |
| 1989 | 3 | 0 |
| 1990 | 4 | 0 |
| 1991 | 2 | 0 |
| 1992 | 4 | 0 |
| 1993 | 0 | 0 |
| 1994 | 4 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 1 | 0 |
| 1998 | 0 | 0 |
| 1999 | 7 | 0 |
| 2000 | 2 | 0 |
| 2001 | 6 | 2 |
| 2002 | 5 | 3 |
| 2003 | 5 | 4 |
| 2004 | 3 | 9 |
| 2005 | 4 | 11 |
| 2006 | 4 | 7 |
| 2007 | 5 | 10 |
| 2008 | 2 | 13 |
| 2009 | 6 | 8 |
| 2010 | 10 | 11 |
| 2011 | 6 | 18 |
| 2012 | 7 | 15 |
| 2013 | 11 | 13 |
| 2014 | 14 | 16 |
| 2015 | 16 | 12 |
| 2016 | 16 | 18 |
| 2017 | 9 | 18 |
| 2018 | 15 | 26 |
| 2019 | 13 | 29 |
| 2020 | 24 | 28 |
| 2021 | 21 | 29 |
| 2022 | 14 | 23 |
| 2023 | 18 | 31 |
| 2024 | 20 | 19 |
| 2025 | 17 | 14 |
| 2026 | 17 | 18 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Alumina support6 Oct 2026US 12,752,257 B2Kaneka Corporation
- Catalyst structure having a core-shell structure with a controlled surface morphology and preparation method thereof15 Sep 2026US 12,734,505 B2University of Seoul Industry Cooperation Foundation
- Method for producing a core-shell catalyst15 Sep 2026US 12,734,515 B2BASF SE
- Method for producing (meth)acrolein and method for producing (meth)acrylic acid25 Aug 2026US 12,715,833 B2Mitsubishi Chemical Corporation
- Production of porous alpha-alumina supports from boehmitic derived aluminas4 Aug 2026US 12,697,603 B2BASF SE
- Copper silicate-based catalyst and preparation method therefor8 Oct 2026US 2026/0307055 A1LG Chem.Ltd.
- Copper silicate-based catalyst and manufacturing method therefor10 Sep 2026US 2026/0264060 A1LG Chem.Ltd.
- Compositions and methods for mitigating aggregation of and recycling of nanoscale catalysts20 Aug 2026US 2026/0241374 A1Massachusetts Institute of Technology
- Honeycomb structure20 Aug 2026US 2026/0241375 A1NGK Insulators, Ltd.
- Exhaust gas purification catalyst13 Aug 2026US 2026/0233161 A1Mitsui Mining & Smelting Co., Ltd.
Most cited
By later US patents
- Shaped catalyst particles67US 3,966,644 AAmerican Cyanamid Company · 1976
- Shaped channeled catalyst67US 4,328,130 AChevron Research Company · 1982
- Process for the preparation of vinyl acetate67US 4,902,823 AHoechst Aktiengesellschaft · 1990
- Preparation of a catalyst consisting of a carrier and a catalytically active oxide material applied to the surface of the carrier63US 5,677,261 ABASF SE · 1997
- Dual functional catalyst of packing type and the catalytic distillation equipment62US 6,117,812 AChina Petro-Chemical Corporation · 2000