Pump for a turbine engine
US-2016376923-A1 · Dec 29, 2016 · US
Bearings
Bearings · 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 | F04D29/056 |
| Official title | Bearings |
| Display label | Bearings |
| Total patents | 1,035 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 46 |
| 2016 | 73 |
| 2017 | 105 |
| 2018 | 109 |
| 2019 | 107 |
| 2020 | 117 |
| 2021 | 107 |
| 2022 | 101 |
| 2023 | 90 |
| 2024 | 88 |
| 2025 | 74 |
| 2026 | 18 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Seal structure and supercharger provided with the seal structure
US-2016356283-A1 · Dec 8, 2016 · US
Compressor housing for supercharger and producing method of the same
US-2016356282-A1 · Dec 8, 2016 · US
Compressor housing bearing and seal
US-9470234-B2 · Oct 18, 2016 · US
Turbocharger and Method
US-2016265542-A1 · Sep 15, 2016 · US
Fan structure
US-9435348-B2 · Sep 6, 2016 · US
Rotor assembly for a turbomachine
US-9410553-B2 · Aug 9, 2016 · US
Reservoir egress fluid coupler
US-2016215786-A1 · Jul 28, 2016 · US
Fracture-resistant self-lubricating wear surfaces
US-2016177959-A1 · Jun 23, 2016 · US
Centrifugal blowing fan
US-9371840-B2 · Jun 21, 2016 · US
Dynamic pressure bearing apparatus and fan
US-2016169242-A1 · Jun 16, 2016 · US
Compliant abrasion resistant bearings for a submersible well pump
US-9353752-B2 · May 31, 2016 · US
Vacuum pump
US-2016069391-A1 · Mar 10, 2016 · US
Flexible support structure for a geared architecture gas turbine engine
US-2016053635-A1 · Feb 25, 2016 · US
Bushing structure and fan
US-2015377245-A1 · Dec 31, 2015 · US
Vacuum pump
US-2015377239-A1 · Dec 31, 2015 · US
Rotary machine support device
US-2015361992-A1 · Dec 17, 2015 · US
Subsea motor-compressor cooling system
US-9206819-B2 · Dec 8, 2015 · US
Flexible support structure for a geared architecture gas turbine engine
US-2015345398-A1 · Dec 3, 2015 · US
Supercharger with electric motor and engine device provided with supercharger with electric motor
US-2015337850-A1 · Nov 26, 2015 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC F04D29/056?
- CPC F04D29/056 is the Cooperative Patent Classification code for “Bearings.”
- How many patents are filed under CPC F04D29/056 (Bearings)?
- Our database includes 1,035 publications tagged with this CPC code.
- Is patent activity under CPC F04D29/056 growing?
- Publication counts under this code: 88 in 2024 vs 74 in 2025 (latest complete years).