Description
Class F03C : POSITIVE-DISPLACEMENT ENGINES DRIVEN BY LIQUIDS
Subclass 1/22: Reciprocating-piston liquid engines with movable cylinders
F03C 1/22
Sub-Class
Stats
- 3 US PATENTS IN FORCE
- 0 US APPLICATIONS PENDING
- 2 Total Patent Owners
- 12 TOTAL INVENTORS
Recent Patents
| Patent # | Title | Filing Date | Issue Date | Patent Owner |
|---|---|---|---|---|
| 11821500 | Method and system for harnessing wind energy using a tethered airfoil | Dec 06, 17 | Nov 21, 23 | NEW LEAF MANAGEMENT LTD. |
| 10527022 | Hydraulic apparatus having an additional thrust section | Apr 01, 15 | Jan 07, 20 | Poclain Hydraulics Industrie |
| 6345398 | Drain plug with a central drainage aperture for a bathtub | Feb 09, 01 | Feb 12, 02 | Not available |
Recent Publications
Not Available
Top Owners in This Subclass
| Upgrade to the Professional Level to view Top Owners for this Subclass.Learn More |
|---|
Patents Issued To Date - By Filing Year
Average Time to Issuance
- 36 Months (last 2 years Issuances)
- 36 Months (last 5 years Issuances)