Ozone oxidative decomposition treatment method for vocs and/or gaseous inorganic reducing compounds in gas
US-2018264405-A1 · Sep 20, 2018 · US
Ammonia
Ammonia · Cooperative Patent Classification (CPC)
Separating, mixing, shaping, printing, and transporting materials.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | B01D53/58 |
| Official title | Ammonia |
| Display label | Ammonia |
| Total patents | 204 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is stable.
| Year | Patents |
|---|---|
| 2015 | 21 |
| 2016 | 19 |
| 2017 | 19 |
| 2018 | 16 |
| 2019 | 31 |
| 2020 | 25 |
| 2021 | 12 |
| 2022 | 15 |
| 2023 | 14 |
| 2024 | 17 |
| 2025 | 14 |
| 2026 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Compact air cleaner using uv led and photocatalytic filter
US-2017326264-A1 · Nov 16, 2017 · US
Submicron particle removal from gas streams
US-2017320816-A1 · Nov 9, 2017 · US
Wet scrubber apparatus for ammonia capture
US-9808758-B2 · Nov 7, 2017 · US
Production of ammonium sulfate using a vacuum absorption process
US-2017291825-A1 · Oct 12, 2017 · US
Exhaust Gas Post Treatment System And Method For Exhaust Gas Post-Treatment
US-2017268399-A1 · Sep 21, 2017 · US
Rechargeable Battery Assembly for a Vehicle
US-2017263964-A1 · Sep 14, 2017 · US
Catalysts for the reduction of ammonia emission from rich-burn exhaust
US-9757719-B2 · Sep 12, 2017 · US
PGM catalyst for treating exhaust gas
US-9751080-B2 · Sep 5, 2017 · US
Emissions treatment system with ammonia-generating and scr catalysts
US-2017241313-A1 · Aug 24, 2017 · US
Systems and methods for reducing ammonia emissions from liquid effluents and for recovering the ammonia
US-9708200-B2 · Jul 18, 2017 · US
Manganese Oxide Nanoarchitectures for Broad-Spectrum Removal of Toxic Gases in Air-Filtration Applications
US-2017197197-A1 · Jul 13, 2017 · US
Sulfonic acid-containing polymeric materials as amine sorbents
US-2017182475-A1 · Jun 29, 2017 · US
Ammonia capturing by CO2 product liquid in water wash liquid
US-9687774-B2 · Jun 27, 2017 · US
Emissions treatment system with ammonia-generating and SCR catalysts
US-9662611-B2 · May 30, 2017 · US
Removal of urea and ammonia from exhaust gases
US-2017137330-A1 · May 18, 2017 · US
Emissions reduction for CO2 capture
US-9643125-B2 · May 9, 2017 · US
Method and device for cleaning an industrial waste gas comprising CO2
US-9644840-B2 · May 9, 2017 · US
Coupling bioreactor and method for purifying malodorous gases and wastewater
US-9561976-B2 · Feb 7, 2017 · US
Removal of urea and ammonia from exhaust gases
US-9556077-B2 · Jan 31, 2017 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC B01D53/58?
- CPC B01D53/58 is the Cooperative Patent Classification code for “Ammonia.”
- How many patents are filed under CPC B01D53/58 (Ammonia)?
- Our database includes 204 publications tagged with this CPC code.
- Is patent activity under CPC B01D53/58 growing?
- Publication counts under this code: 17 in 2024 vs 14 in 2025 (latest complete years).