B01D 2255/20707
Titanium
B01D2255/20707 (Titanium) appears on 961 US grants and 1,277 published applications in this corpus.
Search patents in B01D- Granted patents
- 961
- Published applications
- 1,277
- Assignees
- 650
- Inventors
- 2,882
- Latest grant
- 15 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 2 | 0 |
| 1978 | 6 | 0 |
| 1979 | 1 | 0 |
| 1980 | 1 | 0 |
| 1981 | 2 | 0 |
| 1982 | 0 | 0 |
| 1983 | 1 | 0 |
| 1984 | 1 | 0 |
| 1985 | 1 | 0 |
| 1986 | 1 | 0 |
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 2 | 0 |
| 1991 | 1 | 0 |
| 1992 | 4 | 0 |
| 1993 | 2 | 0 |
| 1994 | 3 | 0 |
| 1995 | 5 | 0 |
| 1996 | 5 | 0 |
| 1997 | 8 | 0 |
| 1998 | 11 | 0 |
| 1999 | 6 | 0 |
| 2000 | 14 | 0 |
| 2001 | 7 | 5 |
| 2002 | 13 | 5 |
| 2003 | 9 | 8 |
| 2004 | 10 | 8 |
| 2005 | 1 | 13 |
| 2006 | 2 | 18 |
| 2007 | 8 | 19 |
| 2008 | 6 | 24 |
| 2009 | 12 | 63 |
| 2010 | 31 | 71 |
| 2011 | 26 | 69 |
| 2012 | 38 | 57 |
| 2013 | 59 | 73 |
| 2014 | 43 | 61 |
| 2015 | 57 | 77 |
| 2016 | 49 | 87 |
| 2017 | 59 | 58 |
| 2018 | 48 | 92 |
| 2019 | 70 | 84 |
| 2020 | 65 | 58 |
| 2021 | 48 | 64 |
| 2022 | 51 | 87 |
| 2023 | 60 | 67 |
| 2024 | 43 | 43 |
| 2025 | 39 | 40 |
| 2026 | 29 | 26 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Filter for air purification and manufacturing method thereof15 Sep 2026US 12,734,512 B2Hyundai Motor Company
- Steel mill offgas separation and purification18 Aug 2026US 12,708,874 B2Air Products and Chemicals, Inc.
- V2AlC@V2O5/TiO2 heterojunction composite photocatalyst, preparation method, and application thereof9 Jun 2026US 12,649,148 B2United Arab Emirates University
- Ozone-based disinfection system for refrigerated storage and ice-making applications26 May 2026US 12,636,395 B2BioSure North America LLC
- Ozone disinfection system with replaceable water cartridge26 May 2026US 12,636,396 B2BioSure North America LLC
- V2alc@v2o5/tio2 heterojunction composite photocatalyst, preparation method, and application thereof10 Sep 2026US 2026/0264054 A1United Arab Emirates University
- Surface-catalytically finished polymer fibres and/or polymeric sheets, method for surface-catalytically finishing same, and use thereof for producing an air purification filter3 Sep 2026US 2026/0257204 A1Hochschule Niederrhein
- Catalyst composition, exhaust gas treatment method using the same, and exhaust gas treatment system including the same13 Aug 2026US 2026/0233206 A1Gwangju Institute of Science and Technology
- Tail gas treatment by two stage adsorption with intermediate cooling30 Jul 2026US 2026/0216647 A1Saudi Arabian Oil Company
- Advanced membrane oxidation process and system for the treatment of industrial gas emissions and odors23 Jul 2026US 2026/0208098 A1
Most cited
By later US patents
- Architectural material using metal oxide exhibiting photocatalytic activity112US 5,595,813 ATakenaka Corporation · 1997
- Catalytic process for reducing nitrogen oxides to nitrogen110US 4,085,193 ABabcock-Hitachi Kabushiki Kaisha · 1978
- Photocatalytic oxidation of organics using a porous titanium dioxide membrane and an efficient oxidant86US 5,779,912 ALynntech, Inc. · 1998
- Titanium dioxide photocatalyst84US 6,387,844 B12002
- Process for production of elemental iron82US 7,931,731 B2Shell Oil Company · 2011