Method and device for clearing debris from a machining spindle
US-2024367236-A1 · Nov 7, 2024 · US
by purging the pipe with a gas or a mixture of gas and liquid
by purging the pipe with a gas or a mixture of gas and liquid · 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 | B08B9/0328 |
| Official title | {by purging the pipe with a gas or a mixture of gas and liquid} |
| Display label | by purging the pipe with a gas or a mixture of gas and liquid |
| Total patents | 197 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is stable.
| Year | Patents |
|---|---|
| 2015 | 9 |
| 2016 | 11 |
| 2017 | 16 |
| 2018 | 16 |
| 2019 | 21 |
| 2020 | 20 |
| 2021 | 19 |
| 2022 | 21 |
| 2023 | 19 |
| 2024 | 20 |
| 2025 | 19 |
| 2026 | 6 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
A process and system for automated online fouling prevention of vertical shell and tube gas-to-gas heat exchangers
US-2024125568-A1 · Apr 18, 2024 · US
Drain clearing air gun
US-2019283091-A1 · Sep 19, 2019 · US
Apparatus and methods for cleaning a mould drum
US-10370229-B2 · Aug 6, 2019 · US
Drain clearing air gun
US-10350656-B2 · Jul 16, 2019 · US
Apparatus and method for reprocessing a medical device
US-2019183326-A1 · Jun 20, 2019 · US
Method of cleaning a nozzle of a jet pump assembly of a nuclear reactor
US-2019070645-A1 · Mar 7, 2019 · US
Systems and methods for delaying or activating a blowout device or a purge device in a sampling pipe network of an aspirated smoke detection system
US-2019005805-A1 · Jan 3, 2019 · US
Pressure-based method and system for measuring the density and height of a fluidized bed
US-2018345308-A1 · Dec 6, 2018 · US
Subsea compressor cleaning method wherein the cleaning liquid is retrieved from the multiphase process fluid
US-10132322-B2 · Nov 20, 2018 · US
Method For Draining A Fluid-Transporting Underwater Pipe Which Is Submerged And Filled With Water
US-2018313466-A1 · Nov 1, 2018 · US
Method of Emptying an Undersea Fluid Transport Pipe That Is Submerged and Full of Water
US-2018257117-A1 · Sep 13, 2018 · US
Diffusion pipe and method for cleaning diffusion pipe
US-10071924-B2 · Sep 11, 2018 · US
Apparatus and methods for cleaning a mould drum
US-2018215596-A1 · Aug 2, 2018 · US
Cleaning device and cleaning method for liquid material discharge device
US-10010901-B2 · Jul 3, 2018 · US
Coating apparatus, method for recycling coating liquid by utilization of the same, and method for cleaning the same
US-2018141077-A1 · May 24, 2018 · US
Drain clearing air gun
US-2018133763-A1 · May 17, 2018 · US
Apparatus and methods for cleaning a mould drum
US-9944504-B2 · Apr 17, 2018 · US
Endoscope reprocessor
US-9924857-B2 · Mar 27, 2018 · US
System for flushing pipe plumbing using microbubbles, method therefor, and ship or maritime plant having same
US-2018078978-A1 · Mar 22, 2018 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC B08B9/0328?
- CPC B08B9/0328 is the Cooperative Patent Classification code for “by purging the pipe with a gas or a mixture of gas and liquid.”
- How many patents are filed under CPC B08B9/0328 (by purging the pipe with a gas or a mixture of gas and liquid)?
- Our database includes 197 publications tagged with this CPC code.
- Is patent activity under CPC B08B9/0328 growing?
- Publication counts under this code: 20 in 2024 vs 19 in 2025 (latest complete years).