Eccentric oscillating gear device
US-12523275-B2 · Jan 13, 2026 · US
Loose spacing bodies
Loose spacing bodies · 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 | F16C33/37 |
| Official title | Loose spacing bodies |
| Display label | Loose spacing bodies |
| Total patents | 30 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is growing.
| Year | Patents |
|---|---|
| 2015 | 6 |
| 2016 | 2 |
| 2017 | 8 |
| 2018 | 3 |
| 2019 | 2 |
| 2021 | 3 |
| 2022 | 1 |
| 2025 | 4 |
| 2026 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Separator for rolling element bearings
US-12429091-B2 · Sep 30, 2025 · US
Bearing assemblies, roller bearing units, races, methods of making same, and apparatus comprising same
US-2025251019-A1 · Aug 7, 2025 · US
Eccentric oscillating gear device
US-2025189014-A1 · Jun 12, 2025 · US
Separator for rolling element bearings
US-2025075738-A1 · Mar 6, 2025 · US
Bearing assemblies, roller bearing units, races, methods of making same, and apparatus comprising same
US-2022316525-A1 · Oct 6, 2022 · US
Bearing assemblies, roller bearing units, races, methods of making same, and apparatus comprising same
US-2021372474-A1 · Dec 2, 2021 · US
Separator, mechanical element, operation guide device and manufacturing apparatus
US-11028261-B2 · Jun 8, 2021 · US
Separator, Mechanical Element, Operation Guide Device And Manufacturing Apparatus
US-2021087380-A1 · Mar 25, 2021 · US
Bearing unit and separator
US-10215235-B2 · Feb 26, 2019 · US
Roller bearing, retainer segment, spacer and main shaft support structure of wind-power generator
US-10190576-B2 · Jan 29, 2019 · US
Self-aligning roller bearing
US-2018291951-A1 · Oct 11, 2018 · US
Angular contact ball bearing, and ball screw device using same
US-2018223899-A1 · Aug 9, 2018 · US
Spacer for rolling bearing, notably used in a wind turbine
US-9995340-B2 · Jun 12, 2018 · US
Bearing unit and separator
US-2017370418-A1 · Dec 28, 2017 · US
Roller bearing, retainer segment, spacer and main shaft support structure of wind-power generator
US-2017306929-A1 · Oct 26, 2017 · US
Roller bearing, retainer segment, spacer and main shaft support structure of wind-power generator
US-9732734-B2 · Aug 15, 2017 · US
Solid-lubrication rolling bearing
US-9631672-B2 · Apr 25, 2017 · US
Self-aligning roller bearing
US-9587676-B2 · Mar 7, 2017 · US
Spherical roller bearing
US-9562563-B1 · Feb 7, 2017 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC F16C33/37?
- CPC F16C33/37 is the Cooperative Patent Classification code for “Loose spacing bodies.”
- How many patents are filed under CPC F16C33/37 (Loose spacing bodies)?
- Our database includes 30 publications tagged with this CPC code.
- Is patent activity under CPC F16C33/37 growing?
- Publication counts under this code: 1 in 2022 vs 4 in 2025 (latest complete years).