Apparatus for optical in-situ gas analysis
US-2017370829-A1 · Dec 28, 2017 · US
Controlling by gas-analysis apparatus (regulating non electrical variables in general G05D)
Controlling by gas-analysis apparatus (regulating non electrical variables in general G05D) · 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 | B01D53/30 |
| Official title | Controlling by gas-analysis apparatus (regulating non electrical variables in general G05D) |
| Display label | Controlling by gas-analysis apparatus (regulating non electrical variables in general G05D) |
| Total patents | 553 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is stable.
| Year | Patents |
|---|---|
| 2015 | 15 |
| 2016 | 23 |
| 2017 | 31 |
| 2018 | 50 |
| 2019 | 41 |
| 2020 | 47 |
| 2021 | 66 |
| 2022 | 61 |
| 2023 | 73 |
| 2024 | 69 |
| 2025 | 65 |
| 2026 | 12 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Gas analysis system, liquid separator, and gas analyzer
US-2017361269-A1 · Dec 21, 2017 · US
Air cleaner
US-2017348455-A1 · Dec 7, 2017 · US
Methods and systems for automatically generating a remedial action in an industrial facility
US-2017352243-A1 · Dec 7, 2017 · US
Carrier gas reclamation system and method
US-2017341018-A1 · Nov 30, 2017 · US
On-board vehicle inert gas generation system
US-2017341019-A1 · Nov 30, 2017 · US
Moisture Control Systems For Enclosures
US-2017347473-A1 · Nov 30, 2017 · US
Human factors approach to control contaminant concentrations in aircraft supply air from engine and apu bleed air and ground air sources, and in recirculated air being delivered to aircraft cabins for the optimization of user experience and energy consumption
US-2017334565-A1 · Nov 23, 2017 · US
Human factors approach to control contaminant concentrations in aircraft supply air from engine and apu bleed air and ground air sources, and in recirculated air being delivered to aircraft cabins for the optimization of user experience and energy consumption
US-2017320582-A1 · Nov 9, 2017 · US
Composition and method of screening hydrocarbons to limit potential toxicological hazards
US-2017284995-A1 · Oct 5, 2017 · US
On-site medical gas production plant and associated operating method
US-2017259202-A1 · Sep 14, 2017 · US
On-site medical gas production plant and associated operating method
US-2017252530-A1 · Sep 7, 2017 · US
Liquid filter arrangement and methods
US-2017252682-A1 · Sep 7, 2017 · US
Process for removing nitrous oxide from a gas stream
US-2017246590-A1 · Aug 31, 2017 · US
Apparatus and method for evaporating waste water and reducing acid gas emissions
US-9724638-B2 · Aug 8, 2017 · US
Simulataneous gas chromatograph analysis of a multi-stream natural gas upgrade generated through a multi-membrane process
US-9714925-B2 · Jul 25, 2017 · US
Carbon dioxide concentration control system and carbon dioxide concentration control device
US-2017197173-A1 · Jul 13, 2017 · US
On-site medical gas production plant and associated operating method
US-9694151-B2 · Jul 4, 2017 · US
OBIGGS ASM performance modulation via temperature control
US-9694314-B2 · Jul 4, 2017 · US
Salt-based device and a circuit to monitor and log the times a data center air goes above a predefined limit
US-9568445-B2 · Feb 14, 2017 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC B01D53/30?
- CPC B01D53/30 is the Cooperative Patent Classification code for “Controlling by gas-analysis apparatus (regulating non electrical variables in general G05D).”
- How many patents are filed under CPC B01D53/30 (Controlling by gas-analysis apparatus (regulating non electrical variables in general G05D))?
- Our database includes 553 publications tagged with this CPC code.
- Is patent activity under CPC B01D53/30 growing?
- Publication counts under this code: 69 in 2024 vs 65 in 2025 (latest complete years).