Autonomous tractor using counter flow-driven propulsion
US-2019368290-A1 · Dec 5, 2019 · US
Mechanical Engineering
Mechanical Engineering · 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 | F03B13/02 |
| Official title | — |
| Display label | Mechanical Engineering (mapped technology topic) |
| Total patents | 111 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is growing.
| Year | Patents |
|---|---|
| 2015 | 17 |
| 2016 | 15 |
| 2017 | 8 |
| 2018 | 8 |
| 2019 | 12 |
| 2020 | 4 |
| 2021 | 6 |
| 2022 | 7 |
| 2023 | 14 |
| 2024 | 8 |
| 2025 | 12 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Autonomous tractor using counter flow-driven propulsion
US-2019368331-A1 · Dec 5, 2019 · US
Turbines and methods of generating electricity
US-10439474-B2 · Oct 8, 2019 · US
System and method for extracting gas from a well
US-10408034-B2 · Sep 10, 2019 · US
Progressive cavity based control system
US-10407987-B2 · Sep 10, 2019 · US
Fluid driven drilling motor
US-10385616-B1 · Aug 20, 2019 · US
Method and apparatus to manufacture a progressive cavity motor or pump
US-10309395-B2 · Jun 4, 2019 · US
Motor control system
US-10302083-B2 · May 28, 2019 · US
Dual-type speed control mechanism for a turbine
US-10280684-B2 · May 7, 2019 · US
Electrical Power Generation and Distribution System with Power Recovery and Regeneration
US-2019115758-A1 · Apr 18, 2019 · US
Electricity generation within a downhole drilling motor
US-10250103-B2 · Apr 2, 2019 · US
Electricity generation within a downhole drilling motor
US-2019013716-A1 · Jan 10, 2019 · US
Downhole turbine tachometer
US-10119386-B2 · Nov 6, 2018 · US
Electricity generation within a downhole drilling motor
US-10110091-B2 · Oct 23, 2018 · US
Stiffness tuning and dynamic force balancing rotors of downhole drilling motors
US-2018266181-A1 · Sep 20, 2018 · US
Downhole turbine with an adjustable shroud
US-2018245403-A1 · Aug 30, 2018 · US
Electric machine including a stator defining a flow channel
US-10024296-B2 · Jul 17, 2018 · US
Active alternator control in a downhole tool string
US-2018163514-A1 · Jun 14, 2018 · US
Turbines and methods of generating electricity
US-2018135434-A1 · May 17, 2018 · US
Turbine-generator-actuator assembly for rotary steerable tool using a gearbox
US-2018038203-A1 · Feb 8, 2018 · US
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Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC F03B13/02?
- CPC F03B13/02 is the Cooperative Patent Classification code for “Mechanical Engineering.”
- How many patents are filed under CPC F03B13/02 (Mechanical Engineering)?
- Our database includes 111 publications tagged with this CPC code.
- Is patent activity under CPC F03B13/02 growing?
- Publication counts under this code: 8 in 2024 vs 12 in 2025 (latest complete years).