Filter arrangements; components; and, methods
US-10837331-B2 · Nov 17, 2020 · US
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Reciprocating-piston machines or engines characterised by number or relative disposition of cylinders or by being built-up from separate cylinder-crankcase elements (F01B3/00, F01B5/00 take precedence)
Reciprocating-piston machines or engines characterised by number or relative disposition of cylinders or by being built-up from separate cylinder-crankcase elements (F01B3/00, F01B5/00 take precedence) · 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 | F01B1/00 |
| Official title | Reciprocating-piston machines or engines characterised by number or relative disposition of cylinders or by being built-up from separate cylinder-crankcase elements (F01B3/00, F01B5/00 take precedence) |
| Display label | Reciprocating-piston machines or engines characterised by number or relative disposition of cylinders or by being built-up from separate cylinder-crankcase elements (F01B3/00, F01B5/00 take precedence) |
| Total patents | 10 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 2 |
| 2016 | 2 |
| 2017 | 2 |
| 2018 | 3 |
| 2020 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Reciprocating compressor having casing including inner and outer shells
US-10125754-B2 · Nov 13, 2018 · US
Modular fluid powered linear piston motors with harmonic coupling
US-10100850-B1 · Oct 16, 2018 · US
Filter arrangements; components; and, methods
US-2018156087-A1 · Jun 7, 2018 · US
Filter arrangements; components; and, methods
US-9752474-B2 · Sep 5, 2017 · US
Compressed gas motor and lavage system
US-9593578-B2 · Mar 14, 2017 · US
Reciprocating compressor having fluid bearing
US-9494148-B2 · Nov 15, 2016 · US
Fluid powered linear piston motor with harmonic coupling
US-9447798-B1 · Sep 20, 2016 · US
Reciprocating compressor
US-2015285235-A1 · Oct 8, 2015 · US
Filter arrangements; components; and, methods
US-2015101292-A1 · Apr 16, 2015 · US