Single-drive bidirectional-crawling pipe-cleaning robot
US-2020384512-A1 · Dec 10, 2020 · US
being self-contained
being self-contained · 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 | F16L55/32 |
| Official title | being self-contained |
| Display label | being self-contained |
| Total patents | 209 |
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 | 7 |
| 2017 | 4 |
| 2018 | 18 |
| 2019 | 8 |
| 2020 | 22 |
| 2021 | 22 |
| 2022 | 25 |
| 2023 | 36 |
| 2024 | 29 |
| 2025 | 23 |
| 2026 | 6 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Method and apparatus for additive mechanical growth of tubular structures
US-10814604-B2 · Oct 27, 2020 · 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
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
System, method, and apparatus for rapid development of an inspection scheme for an inspection robot
US-2020254615-A1 · Aug 13, 2020 · US
Devices and methods for repairing pipes
US-2020217441-A1 · Jul 9, 2020 · US
Pipeline robot capable of steering actively
US-10690281-B2 · Jun 23, 2020 · US
System, method, and apparatus to perform a surface inspection using real-time position information
US-10481608-B2 · Nov 19, 2019 · US
Apparatus for forming non-excavation water and sewage pipe lining for rehabilitation using textile grid reinforcement member and mortar lining, and method thereof
US-10400935-B1 · Sep 3, 2019 · US
Pipe-inspection device propelled by an Archimedes screw
US-10371306-B2 · Aug 6, 2019 · US
Mobile robotic device with improved archimedean screw propulsion mechanism
US-2019219215-A1 · Jul 18, 2019 · US
Pig segment and pig
US-10343197-B2 · Jul 9, 2019 · US
Maintenance of drilling risers
US-2019178433-A1 · Jun 13, 2019 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC F16L55/32?
- CPC F16L55/32 is the Cooperative Patent Classification code for “being self-contained.”
- How many patents are filed under CPC F16L55/32 (being self-contained)?
- Our database includes 209 publications tagged with this CPC code.
- Is patent activity under CPC F16L55/32 growing?
- Publication counts under this code: 29 in 2024 vs 23 in 2025 (latest complete years).