B01J 19/30
Loose or shaped packing elements
Official title: Loose or shaped packing elements, e.g. Raschig rings or Berl saddles, for pouring into the apparatus for mass or heat transfer
B01J19/30 (Loose or shaped packing elements) appears on 450 US grants and 357 published applications in this corpus.
Search patents in B01J- Granted patents
- 450
- Published applications
- 357
- Assignees
- 270
- Inventors
- 996
- Latest grant
- 1 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 6 | 0 |
| 1977 | 5 | 0 |
| 1978 | 14 | 0 |
| 1979 | 5 | 0 |
| 1980 | 8 | 0 |
| 1981 | 7 | 0 |
| 1982 | 6 | 0 |
| 1983 | 3 | 0 |
| 1984 | 5 | 0 |
| 1985 | 12 | 0 |
| 1986 | 6 | 0 |
| 1987 | 4 | 0 |
| 1988 | 9 | 0 |
| 1989 | 7 | 0 |
| 1990 | 0 | 0 |
| 1991 | 5 | 0 |
| 1992 | 4 | 0 |
| 1993 | 12 | 0 |
| 1994 | 13 | 0 |
| 1995 | 9 | 0 |
| 1996 | 10 | 0 |
| 1997 | 10 | 0 |
| 1998 | 13 | 0 |
| 1999 | 10 | 0 |
| 2000 | 6 | 0 |
| 2001 | 9 | 4 |
| 2002 | 7 | 3 |
| 2003 | 12 | 9 |
| 2004 | 6 | 12 |
| 2005 | 7 | 12 |
| 2006 | 4 | 12 |
| 2007 | 4 | 18 |
| 2008 | 7 | 18 |
| 2009 | 9 | 21 |
| 2010 | 13 | 12 |
| 2011 | 15 | 13 |
| 2012 | 9 | 6 |
| 2013 | 11 | 14 |
| 2014 | 5 | 6 |
| 2015 | 8 | 13 |
| 2016 | 12 | 11 |
| 2017 | 5 | 17 |
| 2018 | 18 | 20 |
| 2019 | 14 | 29 |
| 2020 | 23 | 20 |
| 2021 | 19 | 20 |
| 2022 | 11 | 12 |
| 2023 | 13 | 15 |
| 2024 | 10 | 15 |
| 2025 | 6 | 14 |
| 2026 | 4 | 11 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Assemblies, apparatuses, systems, and methods for material extraction and conveyance1 Sep 2026US 12,722,911 B2Industrial Vacuum Transfer Services USA, LLC
- Compacting elements for reducing fluidisation in catalyst carrier for tubular reactors and associated methods21 Apr 2026US 12,605,685 B2Johnson Matthey Davy Technologies Limited
- Combination of structured catalyst elements and pellets3 Mar 2026US 12,565,425 B2Haldor TopsøE A/S
- Heat transfer packing element6 Jan 2026US 12,515,190 B2Knight Material Technologies LLC
- Resaturation of gas into a liquid feedstream23 Sep 2025US 12,420,253 B2Crystaphase Products, Inc.
- Assemblies, apparatuses, systems, and methods for material extraction and conveyance1 Oct 2026US 2026/0296806 A1Industrial Vacuum Transfer Services USA, LLC
- Assemblies, apparatuses, systems, and methods for material extraction and conveyance1 Oct 2026US 2026/0296807 A1Industrial Vacuum Transfer Services USA, LLC
- Recirculatory fiber reactor27 Aug 2026US 2026/0249265 A1Chemtor, LP
- Compartmented reaction vessel, system and method for converting a substrate to a product13 Aug 2026US 2026/0233187 A1USW Commercial Services Ltd.
- System for breaking a liquid foam and method of operating thereof23 Jul 2026US 2026/0208073 A1Yara International Asa
Most cited
By later US patents
- Ceramic spheroids having low density and high crush resistance139US 4,632,876 AMinnesota Mining and Manufacturing Company · 1986
- Catalytic distillation structure137US 4,443,559 AChemical Research & Licensing Company · 1984
- Process and apparatus for removal of organic pollutants from waste water104US 5,217,616 AAllied-Signal Inc. · 1993
- Packing element75US 5,304,423 ANorton Chemical Process Products Corporation · 1994
- Vapor-liquid contact method73US 3,959,419 AFritz W. Glitsch & Sons, Inc. · 1976