Determining thermal conditions in a pipeline
US-2022397227-A1 · Dec 15, 2022 · US
using hot fluids
using hot fluids · 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 | F16L53/32 |
| Official title | using hot fluids |
| Display label | using hot fluids |
| Total patents | 74 |
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 | 8 |
| 2016 | 9 |
| 2017 | 10 |
| 2018 | 7 |
| 2019 | 6 |
| 2020 | 9 |
| 2021 | 5 |
| 2022 | 6 |
| 2023 | 3 |
| 2024 | 9 |
| 2025 | 2 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
High-temperature fluid transporting pipeline with heat exchange apparatus installed therein, suitable heat exchange apparatus and heat exchange method
US-2022205728-A1 · Jun 30, 2022 · US
Subsea Pipelines Equipped with Direct Electrical Heating Systems
US-2022163157-A1 · May 26, 2022 · US
Organic compound production system
US-2022112987-A1 · Apr 14, 2022 · US
Pipe heating systems and methods
US-11242949-B1 · Feb 8, 2022 · US
Heating of Subsea Pipelines
US-2022018230-A1 · Jan 20, 2022 · US
Devices and methods for heating fluid dispensers, hoses, and nozzles
US-11174148-B2 · Nov 16, 2021 · US
Systems and methods for thermal management of subsea conduits using an interconnecting conduit and valving arrangement
US-2021231249-A1 · Jul 29, 2021 · US
Modular vacuum insulated piping
US-11047517-B2 · Jun 29, 2021 · US
Liquid treatment apparatus and method of adjusting temperature of treatment liquid
US-2021181638-A1 · Jun 17, 2021 · US
Systems and methods for fluid ratio control
US-11027304-B2 · Jun 8, 2021 · US
Generating and using checkpoints in a virtual computer system
US-10859289-B2 · Dec 8, 2020 · US
Heat exchanging device
US-2020309634-A1 · Oct 1, 2020 · US
Thermally insulated vertical subsea connection system
US-10787863-B2 · Sep 29, 2020 · US
Connector
US-2020240309-A1 · Jul 30, 2020 · US
Heated pipe for liquid flows
US-10703500-B2 · Jul 7, 2020 · US
Horizontal connection system for subsea hub connections
US-10655406-B2 · May 19, 2020 · US
Termination arrangement for use in a horizontal connection system
US-10627012-B2 · Apr 21, 2020 · US
Line Assembly
US-2020056528-A1 · Feb 20, 2020 · US
Heated pipe for liquid flows
US-2020017231-A1 · Jan 16, 2020 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC F16L53/32?
- CPC F16L53/32 is the Cooperative Patent Classification code for “using hot fluids.”
- How many patents are filed under CPC F16L53/32 (using hot fluids)?
- Our database includes 74 publications tagged with this CPC code.
- Is patent activity under CPC F16L53/32 growing?
- Publication counts under this code: 9 in 2024 vs 2 in 2025 (latest complete years).