Description
MACHINES OR ENGINES FOR LIQUIDS (machines or engines for liquids and elastic fluids F01; positive-displacement engines for liquids F03C; positive-displacement machines for liquids F04)
F03B
Technology
Sub-Class
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- 0 2447 US PATENTS IN FORCE
- 573 US APPLICATIONS PENDING
- 1918 Total Patent Owners
- 9243 TOTAL INVENTORS
Subclasses
| Subclass | Title |
|---|---|
| 1/00 | Engines of impulse type, i.e. turbines with jets of high-velocity liquid impinging on bladed or like rotors, e.g. Pelton wheels; Parts or details peculiar thereto |
| 1/02 | Engines of impulse type, i.e. turbines with jets of high-velocity liquid impinging on bladed or like rotors, e.g. Pelton wheels; Parts or details peculiar thereto Buckets; Bucket-carrying rotors |
| 1/04 | Engines of impulse type, i.e. turbines with jets of high-velocity liquid impinging on bladed or like rotors, e.g. Pelton wheels; Parts or details peculiar thereto Nozzles (in general B05B); Nozzle-carrying members |
| 3/00 | Machines or engines of reaction type; Parts or details peculiar thereto |
| 3/02 | Machines or engines of reaction type; Parts or details peculiar thereto with radial flow at high-pressure side and axial flow at low-pressure side of rotors, e.g. Francis turbines |
Recent Patents
Not AvailableRecent Publications
Not AvailableTop Owners in This Class
Top Owners in This Subclass
Applications Filed in This Class - By Year
Applications Filed in This Subclass - By Year
Patents Issued To Date - By Filing Year
Average Time to Issuance
- 37 Months (last 2 years Issuances)
- 37 Months (last 5 years Issuances)
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