B01J 2219/00171
Controlling the density
Official title: controlling the density
B01J2219/00171 (Controlling the density) appears on 103 US grants and 84 published applications in this corpus.
Search patents in B01J- Granted patents
- 103
- Published applications
- 84
- Assignees
- 52
- Inventors
- 177
- Latest grant
- 29 Apr 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
| 1978 | 2 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 1 | 0 |
| 1989 | 1 | 0 |
| 1990 | 0 | 0 |
| 1991 | 1 | 0 |
| 1992 | 0 | 0 |
| 1993 | 1 | 0 |
| 1994 | 1 | 0 |
| 1995 | 3 | 0 |
| 1996 | 1 | 0 |
| 1997 | 2 | 0 |
| 1998 | 3 | 0 |
| 1999 | 3 | 0 |
| 2000 | 1 | 0 |
| 2001 | 5 | 1 |
| 2002 | 3 | 8 |
| 2003 | 8 | 11 |
| 2004 | 4 | 7 |
| 2005 | 4 | 12 |
| 2006 | 15 | 4 |
| 2007 | 3 | 8 |
| 2008 | 5 | 2 |
| 2009 | 9 | 4 |
| 2010 | 4 | 8 |
| 2011 | 5 | 2 |
| 2012 | 2 | 1 |
| 2013 | 1 | 0 |
| 2014 | 1 | 0 |
| 2015 | 1 | 3 |
| 2016 | 0 | 1 |
| 2017 | 1 | 0 |
| 2018 | 2 | 1 |
| 2019 | 0 | 1 |
| 2020 | 2 | 1 |
| 2021 | 1 | 0 |
| 2022 | 1 | 2 |
| 2023 | 1 | 1 |
| 2024 | 2 | 4 |
| 2025 | 1 | 2 |
By publication year. Applications have been published since 2001.
Subgroups
Granted patents
Recent patents
- Methods and systems for producing hypobromite by adding acid to reactants29 Apr 2025US 12,286,346 B2Chemtreat, Inc.
- Fuel synthesis device19 Mar 2024US 11,931,712 B2Honda Motor Co., Ltd.
- Methods and systems for producing hypobromite by adding acid to reactants30 Jan 2024US 11,884,540 B2Chemtreat, Inc.
- Equipment and method for preparing an aldehyde-functionalised polymer10 Jan 2023US 11,547,979 B1S.P.C.M. SA
- Microwave-based thermal coupling chemical looping gasification method employing two sources, and device for same22 Nov 2022US 11,504,691 B2South China University of Technology
- Preparation equipment and process for nylon salt solution20 Nov 2025US 2025/0352965 A1Zhejiang Nhu Company Ltd.
- Method for monitoring a control parameter on a substantially plastic material, relating to apparatus and pyrolysis process which uses this method13 Mar 2025US 2025/0085220 A1Versalis S.P.A.
- Solvent Recirculation System26 Dec 2024US 2024/0424471 A1LG Chem.Ltd.
- Processes for Producing Reactant Chemical Substances5 Dec 2024US 2024/0400405 A1Alpha Portfolio LLC
- Methods and systems for producing hypobromite by adding acid to reactants11 Apr 2024US 2024/0116758 A1Chemtreat, Inc.
Most cited
By later US patents
- Electrochemical production of ozone and hydrogen peroxide465US 5,972,196 ALynntech, Inc. · 1999
- Apparatus for forming carbon fibers113US 5,024,818 AGeneral Motors Corporation · 1991
- Membrane with internal passages to permit fluid flow and an electrochemical cell containing the same98US 5,635,039 ALynntech, Inc. · 1997
- Metal-carbon composite powders, methods for producing powders and devices fabricated from same98US 6,103,393 ASuperior MicroPowders LLC · 2000
- Process for preparing polyethylene95US 5,684,097 ABorealis Polymers Oy · 1997