Method for evaluating fouling of a heat exchanger
US-11156354-B2 · Oct 26, 2021 · US
Maintenance, repairing or inspecting equipment positioned in or via the headers
Maintenance, repairing or inspecting equipment positioned in or via the headers · Cooperative Patent Classification (CPC)
Engines, pumps, lighting, heating, and mechanical systems.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | F22B37/003 |
| Official title | {Maintenance, repairing or inspecting equipment positioned in or via the headers} |
| Display label | Maintenance, repairing or inspecting equipment positioned in or via the headers |
| Total patents | 96 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is rapidly declining.
| Year | Patents |
|---|---|
| 2015 | 4 |
| 2016 | 9 |
| 2017 | 4 |
| 2018 | 14 |
| 2019 | 6 |
| 2020 | 17 |
| 2021 | 13 |
| 2022 | 11 |
| 2023 | 8 |
| 2024 | 8 |
| 2025 | 1 |
| 2026 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Apparatus for providing an interactive inspection map
US-11135721-B2 · Oct 5, 2021 · US
System, method, and apparatus for correlating inspection data and image data
US-10942522-B2 · Mar 9, 2021 · US
Controller for inspection robot traversing an obstacle
US-2021060783-A1 · Mar 4, 2021 · US
Inspection robot having self-aligning wheels
US-10895878-B2 · Jan 19, 2021 · US
Method For Evaluating Fouling Of A Heat Exchanger
US-2021003278-A1 · Jan 7, 2021 · US
Inspection robot having a number of horizontally displaced sensor sleds
US-10795373-B2 · Oct 6, 2020 · US
Inspection robot having replaceable sensor sled portions
US-2020310456-A1 · Oct 1, 2020 · US
System and method for traversing an obstacle with an inspection robot
US-2020306969-A1 · Oct 1, 2020 · US
Inspection robots with a multi-function piston connecting a drive module to a central chassis
US-2020262077-A1 · Aug 20, 2020 · US
System and method for configuring an inspection robot for inspecting an inspection surface
US-2020262067-A1 · Aug 20, 2020 · US
Systems and methods for driving an inspection robot
US-2020262052-A1 · Aug 20, 2020 · US
System, apparatus and method for providing an interactive inspection map
US-2020264615-A1 · Aug 20, 2020 · US
Inspection robot and methods thereof for responding to inspection data in real time
US-2020262066-A1 · Aug 20, 2020 · US
System, apparatus and method for providing an inspection map
US-2020264614-A1 · Aug 20, 2020 · US
Systems, methods, and apparatus for tracking location of an inspection robot
US-2020262072-A1 · Aug 20, 2020 · US
Inspection robot
US-2020262261-A1 · Aug 20, 2020 · US
Position-based sampling for eddy current inspection of steam generator tubes
US-10746697-B2 · Aug 18, 2020 · US
System, method, and apparatus for rapid development of an inspection scheme for an inspection robot
US-2020254615-A1 · Aug 13, 2020 · US
Inspection robot having replaceable sensor sled portions
US-10739779-B2 · Aug 11, 2020 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC F22B37/003?
- CPC F22B37/003 is the Cooperative Patent Classification code for “Maintenance, repairing or inspecting equipment positioned in or via the headers.”
- How many patents are filed under CPC F22B37/003 (Maintenance, repairing or inspecting equipment positioned in or via the headers)?
- Our database includes 96 publications tagged with this CPC code.
- Is patent activity under CPC F22B37/003 growing?
- Publication counts under this code: 8 in 2024 vs 1 in 2025 (latest complete years).