Modular tree with electrical connector
US-10512354-B2 · Dec 24, 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 | F21S4/001 |
| Official title | — |
| Display label | Mechanical Engineering (mapped technology topic) |
| Total patents | 29 |
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 | 12 |
| 2016 | 11 |
| 2017 | 3 |
| 2018 | 2 |
| 2019 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
LED assembly
US-10094523-B2 · Oct 9, 2018 · US
Lighted artificial tree with improved electrical connections
US-9894949-B1 · Feb 20, 2018 · US
Modular tree with trunk connectors
US-9671074-B2 · Jun 6, 2017 · US
Decorative lighting with reinforced wiring
US-9671097-B2 · Jun 6, 2017 · US
Dust mite killing carpet
US-9551100-B2 · Jan 24, 2017 · US
Modular tree with electrical connector
US-9526286-B2 · Dec 27, 2016 · US
Modular lighted artificial tree
US-9441800-B1 · Sep 13, 2016 · US
Serial and Parallel LED Configurations for Linear Lighting Modules
US-2016186940-A1 · Jun 30, 2016 · US
Limited flicker light emitting diode string
US-9347630-B2 · May 24, 2016 · US
Mechanical bypass light unit
US-9341329-B2 · May 17, 2016 · US
Packaged LED module
US-9328900-B2 · May 3, 2016 · US
Lighting system
US-9279551-B2 · Mar 8, 2016 · US
Decorative lighting with reinforced wiring
US-2016040864-A1 · Feb 11, 2016 · US
Modular artificial lighted tree with decorative light string
US-2016033097-A1 · Feb 4, 2016 · US
Modular tree with electrical connector
US-2016021957-A1 · Jan 28, 2016 · US
Waterproof light emitting diode lamp and lamp string structure using the same
US-2016010814-A1 · Jan 14, 2016 · US
Dual-voltage lighted artificial tree
US-9220361-B1 · Dec 29, 2015 · US
Mechanical bypass light unit
US-2015354764-A1 · Dec 10, 2015 · US
Flexible lighting assembly
US-9200763-B2 · Dec 1, 2015 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC F21S4/001?
- CPC F21S4/001 is the Cooperative Patent Classification code for “Mechanical Engineering.”
- How many patents are filed under CPC F21S4/001 (Mechanical Engineering)?
- Our database includes 29 publications tagged with this CPC code.
- Is patent activity under CPC F21S4/001 growing?
- Publication counts under this code: 2 in 2018 vs 1 in 2019 (latest complete years).