Description
ROTARY-PISTON OR OSCILLATING-PISTON MACHINES OR ENGINES (internal-combustion aspects F02B 53/00, F02B 55/00)
F01C
Technology
Sub-Class
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- 19 1428 US PATENTS IN FORCE
- 156 US APPLICATIONS PENDING
- 1153 Total Patent Owners
- 5090 TOTAL INVENTORS
Subclasses
| Subclass | Title |
|---|---|
| 1/00 | Rotary-piston machines or engines (with axes of co-operating members non-parallel F01C 3/00; with the working-chamber walls at least partly resiliently deformable F01C 5/00; with fluid ring or the like F01C 7/00; rotary-piston machines or engines in which the working fluid is exclusively displaced by, or exclusively displaces, one or more reciprocating pistons F01B 13/00) |
| 1/02 | Rotary-piston machines or engines (with axes of co-operating members non-parallel F01C 3/00; with the working-chamber walls at least partly resiliently deformable F01C 5/00; with fluid ring or the like F01C 7/00; rotary-piston machines or engines in which the working fluid is exclusively displaced by, or exclusively displaces, one or more reciprocating pistons F01B 13/00) of arcuate-engagement type, i.e. with circular translatory movement of co-operating members, each member having the same number of teeth or tooth-equivalents |
| 1/04 | Rotary-piston machines or engines (with axes of co-operating members non-parallel F01C 3/00; with the working-chamber walls at least partly resiliently deformable F01C 5/00; with fluid ring or the like F01C 7/00; rotary-piston machines or engines in which the working fluid is exclusively displaced by, or exclusively displaces, one or more reciprocating pistons F01B 13/00) of arcuate-engagement type, i.e. with circular translatory movement of co-operating members, each member having the same number of teeth or tooth-equivalents of internal-axis type |
| 1/06 | Rotary-piston machines or engines (with axes of co-operating members non-parallel F01C 3/00; with the working-chamber walls at least partly resiliently deformable F01C 5/00; with fluid ring or the like F01C 7/00; rotary-piston machines or engines in which the working fluid is exclusively displaced by, or exclusively displaces, one or more reciprocating pistons F01B 13/00) of arcuate-engagement type, i.e. with circular translatory movement of co-operating members, each member having the same number of teeth or tooth-equivalents of other than internal-axis type (F01C 1/063 takes precedence) |
| 1/063 | Rotary-piston machines or engines (with axes of co-operating members non-parallel F01C 3/00; with the working-chamber walls at least partly resiliently deformable F01C 5/00; with fluid ring or the like F01C 7/00; rotary-piston machines or engines in which the working fluid is exclusively displaced by, or exclusively displaces, one or more reciprocating pistons F01B 13/00) of arcuate-engagement type, i.e. with circular translatory movement of co-operating members, each member having the same number of teeth or tooth-equivalents with coaxially-mounted members having continuously-changing circumferential spacing between them |
Recent Patents
| Patent # | Title | Filing Date | Issue Date | Patent Owner |
|---|---|---|---|---|
| 9,121,275 | Positive displacement expander | Dec 19, 12 | Sep 01, 15 | EXPONENTIAL TECHNOLOGIES, INC. |
| 9,121,276 | Injection molded seals for compressors | Jul 23, 13 | Sep 01, 15 | EMERSON CLIMATE TECHNOLOGIES, INC. |
| 9,121,277 | Rotary internal combustion engine with cooled insert | Feb 06, 12 | Sep 01, 15 | PRATT & WHITNEY CANADA CORP. |
| 9,121,278 | Positive displacement expander and refrigeration cycle apparatus including positive displacement expander | Jan 19, 10 | Sep 01, 15 | MITSUBISHI ELECTRIC CORPORATION |
| 9,121,396 | Positive-displacement pump including a pressure absorber | Apr 20, 10 | Sep 01, 15 | MICHELIN RECHERCHE ET TECHNIQUE S.A., |
| 9,121,405 | Trochoidal rotary device | Nov 12, 12 | Sep 01, 15 | GE OIL & GAS COMPRESSION SYSTEMS, LLC |
| 9,121,406 | Scroll compressor and method for machining discharge port of the same | May 24, 11 | Sep 01, 15 | MITSUBISHI HEAVY INDUSTRIES, LTD. |
| 9,115,583 | Compressor | Dec 15, 11 | Aug 25, 15 | CALSONIC KANSEI CORPORATION |
| 9,115,646 | Shroud for rotary engine | Jun 16, 11 | Aug 25, 15 | EXPONENTIAL TECHNOLOGIES, INC. |
| 9,115,716 | Vane compressor with vane aligners | Aug 02, 11 | Aug 25, 15 | MITSUBISHI ELECTRIC CORPORATION |
| 9,115,717 | Axial disc and gear pump with axial disc | Nov 30, 11 | Aug 25, 15 | ROBERT BOSCH GMBH |
| 9,115,770 | Rotary hydraulic machine and controls | Jul 19, 11 | Aug 25, 15 | CONCENTRIC ROCKFORD INC. |
| 9,109,595 | Helical gear pump | Mar 02, 10 | Aug 18, 15 | |
| 9,112,398 | Nitrogen- and ceramic-surface-treated components for downhole motors and related methods | Jun 25, 13 | Aug 18, 15 | BAKER HUGHES INCORPORATED |
| 9,103,210 | Rotary device | Jul 01, 10 | Aug 11, 15 | LUMBERJACK PTY. LTD. |
| 9,103,211 | Stator of a gerotor device and a method for manufacturing roller pockets in a stator of a gerotor device | Jan 10, 13 | Aug 11, 15 | WHITE DRIVE PRODUCTS, INC. |
Recent Publications
| Publication # | Title | Filing Date | Pub Date | Patent Owner |
|---|---|---|---|---|
| 2015/0247,405 | Rotary Expansible Chamber Devices Having Adjustable Working-Fluid Ports, And Systems Incorporating The Same | Aug 06, 13 | Sep 03, 15 | Not available |
| 2015/0240,638 | TECHNIQUE FOR APEX-SEAL PROFILE DESIGN | Aug 28, 13 | Aug 27, 15 | THE REGENTS OF THE UNIVERSITY OF CALIFORNIA |
| 2015/0240,639 | APPARATUS, SYSTEMS AND METHODS FOR LUBRICATION OF FLUID DISPLACEMENT MACHINES | Feb 21, 15 | Aug 27, 15 |
Top 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
- 34 Months (last 2 years Issuances)
- 34 Months (last 5 years Issuances)
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