Description
Class B23F : MAKING GEARS OR TOOTHED RACKS
Subclass 5/20: Making straight gear teeth involving moving a tool relatively to a workpiece with a rolling-off or an enveloping motion with respect to the gear teeth to be made by milling
B23F 5/20
Sub-Class
Stats
- 36 US PATENTS IN FORCE
- 8 US APPLICATIONS PENDING
- 18 Total Patent Owners
- 114 TOTAL INVENTORS
Recent Patents
| Patent # | Title | Filing Date | Issue Date | Patent Owner |
|---|---|---|---|---|
| 12030130 | Method for machining the tip circle diameter and a tool for producing a gearwheel | Apr 30, 21 | Jul 09, 24 | Präwema Antriebstechnik GmbH |
| 11826843 | Method of producing a throttle device | Mar 24, 22 | Nov 28, 23 | Aisan Kogyo Kabushiki Kaisha |
| 11786985 | Gear machining apparatus and gear machining method | Jan 16, 20 | Oct 17, 23 | JTEKT CORPORATION |
| 11707792 | Scattered topography rolling of powered metal gears | Sep 28, 20 | Jul 25, 23 | GM Global Technology Operations LLC |
| 11376680 | Method for chipping production of a gear wheel provided with double-helical teeth | Nov 14, 19 | Jul 05, 22 | Präwema Antriebstechnik GmbH |
| 11331734 | Method of machining gears to produce a sinusoidal-parabolic hybrid motion error, gear thus produced and machine for performing said method | Apr 20, 18 | May 17, 22 | The Gleason Works |
| 11292068 | Gear manufacturing machine | Oct 07, 19 | Apr 05, 22 | Liebherr-Verzahntechnik GmbH |
| 11192198 | Shaving processing method and shaving processing apparatus for gear | Nov 19, 20 | Dec 07, 21 | 501 Mazda Motor Corporation |
| 11020809 | Machining jig and processing method | Jun 26, 17 | Jun 01, 21 | Sumitomo Electric Sintered Alloy, Ltd. |
| 10792742 | Main spindle unit and machine tool | Oct 26, 17 | Oct 06, 20 | MITSUBISHI HEAVY INDUSTRIES MACHINE TOOL CO., LTD. |
| 10408272 | Smilled spline apparatus and smilling process for manufacturing the smilled spline apparatus | Jul 09, 16 | Sep 10, 19 | Fairfield Manufacturing, Inc. |
| 10406617 | Method for machining workpiece and machine tool | Sep 13, 17 | Sep 10, 19 | Yamazaki Mazak Corporation |
| 10252360 | Method for finish machining of a bevel gear in a region of a tooth head, machine for machining bevel gears, and grinding tool for use in association therewith | Jul 15, 16 | Apr 09, 19 | Klingelnberg AG |
| 9919371 | Gear machining apparatus | Jul 06, 16 | Mar 20, 18 | JTEKT CORPORATION |
| 9902003 | Machining device and machining method | Jan 29, 15 | Feb 27, 18 | CITIZEN MACHINERY CO., LTD., CITIZEN WATCH CO., LTD., |
| 9878383 | Method for machining tooth edges and machining station designed for this purpose | Jul 15, 14 | Jan 30, 18 | GLEASON-PFAUTER MASCHINENFABRIK GMBH |
| 9856920 | Smilled spline apparatus and smilling process for manufacturing the smilled spline apparatus | Nov 22, 13 | Jan 02, 18 | FAIRFIELD MANUFACTURING COMPANY, INC. |
| 9782847 | Gear machining device | Apr 28, 15 | Oct 10, 17 | JTEKT CORPORATION |
| 9764401 | Zero lead generative cutting tool | May 06, 15 | Sep 19, 17 | CATERPILLAR INC. |
| 9649707 | Slide rolling process for the generation of bevel gears | Feb 18, 14 | May 16, 17 | THE GLEASON WORKS |
Recent Publications
| Publication # | Title | Filing Date | Pub Date | Patent Owner |
|---|---|---|---|---|
| 2024/0424,584 | MANUFACTURE OF DIFFERENTIAL GEARS | Oct 05, 22 | Dec 26, 24 | Not available |
| 2024/0391,005 | METHOD FOR PRODUCING A MILLING TOOL, MILLING TOOL, AND METHOD FOR PRODUCING GEAR TEETH BY MILLING USING A MILLING TOOL OF THIS KIND | Sep 20, 21 | Nov 28, 24 | Not available |
| 2023/0264,281 | METHOD FOR MACHINING TOOTHING SYSTEMS | Jul 20, 21 | Aug 24, 23 | Not available |
| 2021/0331,261 | GEAR MACHINING APPARATUS | Apr 02, 21 | Oct 28, 21 | JTEKT Corporation |
| 2020/0189,015 | GEAR CUTTING TOOL, GEAR MACHINING APPARATUS, AND GEAR MACHINING METHOD | Dec 11, 19 | Jun 18, 20 | JTEKT Corporation |
| 2020/0147,705 | Method for Chipping Production of a Gear Wheel Provided with Double-Helical Teeth | Nov 14, 19 | May 14, 20 | Not available |
| 2019/0262,920 | MAIN SPINDLE UNIT AND MACHINE TOOL | Oct 26, 17 | Aug 29, 19 | MITSUBISHI HEAVY INDUSTRIES MACHINE TOOL CO., LTD. |
| 2016/0250,701 | MACHINING HEAD FOR A GEAR CUTTING MACHINE AND METHOD FOR TOOTHING A WORKPIECE, IN PARTICULAR A WORM SHAFT OR TOOTHED RACK | Feb 25, 16 | Sep 01, 16 | LIEBHERR-VERZAHNTECHNIK GMBH |
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
- 30 Months (last 2 years Issuances)
- 30 Months (last 5 years Issuances)