Seal runner
US-10364846-B2 · Jul 30, 2019 · US
Sealings
Sealings · 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 | F16C33/72 |
| Official title | Sealings |
| Display label | Sealings |
| Total patents | 129 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 9 |
| 2016 | 9 |
| 2017 | 23 |
| 2018 | 15 |
| 2019 | 13 |
| 2020 | 23 |
| 2021 | 12 |
| 2022 | 6 |
| 2023 | 8 |
| 2024 | 5 |
| 2025 | 5 |
| 2026 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Non-contacting seals for geared gas turbine engine bearing compartments
US-10352195-B2 · Jul 16, 2019 · US
Bearing assembly
US-2019186548-A1 · Jun 20, 2019 · US
Radial Fluid Seal
US-2019003595-A1 · Jan 3, 2019 · US
Deflection spring seal
US-2018347576-A1 · Dec 6, 2018 · US
Rotary apparatus with protective knife
US-2018347562-A1 · Dec 6, 2018 · US
Vapor deposition bearing coating
US-2018335090-A1 · Nov 22, 2018 · US
Wheel hub arrangement
US-10093126-B2 · Oct 9, 2018 · US
Building block for a mechanical construction
US-10093062-B2 · Oct 9, 2018 · US
Sealing assembly and method for monitoring a sealing assembly
US-2018283557-A1 · Oct 4, 2018 · US
Sealing structure with annular pocket and sealing apparatus
US-2018274626-A1 · Sep 27, 2018 · US
Ring Seal For Liquid Metal Bearing Assembly
US-2018223908-A1 · Aug 9, 2018 · US
Non-contacting seals for geared gas turbine engine bearing compartments
US-2018223690-A1 · Aug 9, 2018 · US
Bearing cover
US-2018209472-A1 · Jul 26, 2018 · US
Rotational rheometer for measuring powdery or granular materials
US-10031057-B2 · Jul 24, 2018 · US
Static pressure seal-equipped motor
US-2018112709-A1 · Apr 26, 2018 · US
Spindle motor
US-9916855-B2 · Mar 13, 2018 · US
Aerated squeeze-film damper
US-9915174-B1 · Mar 13, 2018 · US
Bearing module for adjusting a rotor blade angle of attack in an underwater power plant
US-2018030949-A1 · Feb 1, 2018 · US
Bearing isolator seal with tapered static shutoff o-ring interface
US-2017363211-A1 · Dec 21, 2017 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC F16C33/72?
- CPC F16C33/72 is the Cooperative Patent Classification code for “Sealings.”
- How many patents are filed under CPC F16C33/72 (Sealings)?
- Our database includes 129 publications tagged with this CPC code.
- Is patent activity under CPC F16C33/72 growing?
- Publication counts under this code: 5 in 2024 vs 5 in 2025 (latest complete years).