Turbomolecular pump lubricant supply systems
US-2021364000-A1 · Nov 25, 2021 · US
Lubrication {(F04D13/0606, F04D13/0646, F04D13/0653 take precedence)}
Lubrication {(F04D13/0606, F04D13/0646, F04D13/0653 take precedence)} · 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 | F04D29/06 |
| Official title | Lubrication {(F04D13/0606, F04D13/0646, F04D13/0653 take precedence)} |
| Display label | Lubrication {(F04D13/0606, F04D13/0646, F04D13/0653 take precedence)} |
| Total patents | 85 |
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 | 10 |
| 2016 | 6 |
| 2017 | 10 |
| 2018 | 13 |
| 2019 | 8 |
| 2020 | 4 |
| 2021 | 15 |
| 2022 | 5 |
| 2023 | 4 |
| 2024 | 5 |
| 2025 | 2 |
| 2026 | 3 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Bearing cage
US-2021270280-A1 · Sep 2, 2021 · US
Compressor system for cryocooler and auxiliary cooling device
US-2021270500-A1 · Sep 2, 2021 · US
Shaft bearing device with a lifting device
US-2021215164-A1 · Jul 15, 2021 · US
Pump with a lifting device
US-2021164484-A1 · Jun 3, 2021 · US
Shaft bearing device with a lifting device
US-10989213-B2 · Apr 27, 2021 · US
Fluid diffusion device for sealed bearing compartment drainback system
US-2021071677-A1 · Mar 11, 2021 · US
Rotor for a fluid pump, and method and mold for manufacturing same
US-10935038-B2 · Mar 2, 2021 · US
Multiphase pump
US-10890193-B2 · Jan 12, 2021 · US
Deflector for the fairing of a turbomachine pinion, associated gear box and turbomachine
US-2020217222-A1 · Jul 9, 2020 · US
Sealing device and rotating machine
US-10641278-B2 · May 5, 2020 · US
Electric supercharger
US-2020123968-A1 · Apr 23, 2020 · US
Centrifugal compressor
US-2020102964-A1 · Apr 2, 2020 · US
Subsea multiphase pump or compressor with magnetic coupling and cooling or lubrication by liquid or gas extracted from process fluid
US-10393115-B2 · Aug 27, 2019 · US
Thrust bearing placement for compressor
US-2019203730-A1 · Jul 4, 2019 · US
Turbomolecular pump lubricant supply systems
US-2019203727-A1 · Jul 4, 2019 · US
Assembly of lubrication system for fluid machinery
US-10316953-B2 · Jun 11, 2019 · US
Multistage turbomachine with embedded electric motors
US-10294949-B2 · May 21, 2019 · US
Modular compressor with gas bearings and system for raising the pressure in production gas
US-2019136862-A1 · May 9, 2019 · US
Bearing for a pump and method of retrofitting a bearing for a pump
US-10274015-B2 · Apr 30, 2019 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC F04D29/06?
- CPC F04D29/06 is the Cooperative Patent Classification code for “Lubrication {(F04D13/0606, F04D13/0646, F04D13/0653 take precedence)}.”
- How many patents are filed under CPC F04D29/06 (Lubrication {(F04D13/0606, F04D13/0646, F04D13/0653 take precedence)})?
- Our database includes 85 publications tagged with this CPC code.
- Is patent activity under CPC F04D29/06 growing?
- Publication counts under this code: 5 in 2024 vs 2 in 2025 (latest complete years).