Description
Class F03C : POSITIVE-DISPLACEMENT ENGINES DRIVEN BY LIQUIDS
Subclass 1/00: Reciprocating-piston liquid engines
F03C 1/00
Sub-Class
Stats
- 97 US PATENTS IN FORCE
- 2 US APPLICATIONS PENDING
- 43 Total Patent Owners
- 243 TOTAL INVENTORS
Recent Patents
| Patent # | Title | Filing Date | Issue Date | Patent Owner |
|---|---|---|---|---|
| 10487477 | Apparatus and method for controlling construction machine | Jul 01, 16 | Nov 26, 19 | Doosan Infracore Co. Ltd. |
| 10458401 | Housing for a motor or compressor | Aug 01, 17 | Oct 29, 19 | Knorr-Bremse Systeme fuer Nutzfahrzeuge GmbH |
| 10352291 | Power take off system for wave energy convertor | Sep 16, 16 | Jul 16, 19 | Not available |
| 10247168 | Rotational mechanical transformer apparatus and methods | Apr 27, 17 | Apr 02, 19 | Not available |
| 9982782 | Drain for dynamic sealing assembly | Dec 20, 12 | May 29, 18 | Poclain Hydraulics Industrie |
| 9932957 | Switchable hydrostatic adjusting device | Apr 03, 15 | Apr 03, 18 | DANFOSS POWER SOLUTIONS GMBH & CO OHG |
| 9856851 | Opposed swash plate type fluid pressure rotating machine | Mar 06, 14 | Jan 02, 18 | KYB CORPORATION |
| 9670944 | Method for controlling a hydraulic cylinder in a work machine and control system for a work machine | Jan 16, 07 | Jun 06, 17 | VOLVO CONSTRUCTION EQUIPMENT AB |
| 9664168 | Hydrostatic power unit | Aug 05, 14 | May 30, 17 | LINDE HYDRAULICS GMBH & CO. KG |
| 9599091 | Hydraulic actuation unit, particularly for controlling the starting and stopping of hydraulic motors | Nov 08, 12 | Mar 21, 17 | POCLAIN HYDRAULICS INDUSTRIALE S.R.L. |
| 9574543 | Hydraulic motor | Feb 14, 13 | Feb 21, 17 | KYB CORPORATION |
| 9435318 | Liquid ring system and applications thereof | Apr 11, 14 | Sep 06, 16 | Not available |
| 9371744 | Heat engine | Oct 04, 10 | Jun 21, 16 | DENSO CORPORATION |
| 9279333 | Turbine rotor assembly | Oct 21, 11 | Mar 08, 16 | WAVE POWER RENEWABLES LIMITED |
| 9267462 | Fluid expansion engine | Sep 23, 15 | Feb 23, 16 | KUWAIT INSTITUTE FOR SCIENTIFIC RESEARCH |
| 9243585 | Compressed gas energy storage system | Oct 18, 12 | Jan 26, 16 | LIGHTSAIL ENERGY, INC. |
| 9243609 | Density engines and methods capable of efficient use of low temperature heat sources for electrical power generation | Apr 09, 13 | Jan 26, 16 | Not available |
| 9233336 | Carbon dioxide recovery system and method | Dec 28, 11 | Jan 12, 16 | MITSUBISHI HEAVY INDUSTRIES, LTD. |
| 9181932 | OTEC cold water retrieval and desalination systems | Mar 30, 12 | Nov 10, 15 | RE SYSTEMS LTD. |
| 9175664 | Wave energy conversion | Aug 16, 11 | Nov 03, 15 | CETO IP PTY LTD. |
Recent Publications
| Publication # | Title | Filing Date | Pub Date | Patent Owner |
|---|---|---|---|---|
| 2019/0093,625 | DEVICE FOR SUPPLYING AND MODIFYING A CYLINDER CUBIC CAPACITY OF A HYDRAULIC MOTOR | Aug 01, 18 | Mar 28, 19 | Not available |
| 2018/0094,617 | Device and Method to Convert Reciprocating Linear Motion into Linear Fluid Flow | Oct 04, 17 | Apr 05, 18 | Not available |
Top Owners in This Subclass
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Patents Issued To Date - By Filing Year
Average Time to Issuance
- 34 Months (last 2 years Issuances)
- 34 Months (last 5 years Issuances)