Combined engine systems
US-10934949-B2 · Mar 2, 2021 · US
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the machines or engines being all of reciprocating-piston type
the machines or engines being all of reciprocating-piston type · 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 | F01B21/02 |
| Official title | the machines or engines being all of reciprocating-piston type |
| Display label | the machines or engines being all of reciprocating-piston type |
| Total patents | 7 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity appears to be growing based on the most recent years.
| Year | Patents |
|---|---|
| 2017 | 1 |
| 2019 | 3 |
| 2020 | 1 |
| 2021 | 2 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Family of three-wheeled straddle-seat vehicles
US-10906602-B2 · Feb 2, 2021 · US
Maintenance optimization control system for load sharing between engines
US-10734814-B2 · Aug 4, 2020 · US
Combined Engine Systems
US-2019323438-A1 · Oct 24, 2019 · US
Maintenance optimization control system for load sharing between engines
US-2019052093-A1 · Feb 14, 2019 · US
Family of three-wheeled straddle-seat vehicles
US-2019039668-A1 · Feb 7, 2019 · US
Enhanced waste heat recovery system
US-2017138195-A1 · May 18, 2017 · US