B23H 9/003
Making screw-threads or gears
Official title: {Making screw-threads or gears}
B23H9/003 (Making screw-threads or gears) appears on 31 US grants and 24 published applications in this corpus.
Search patents in B23H- Granted patents
- 31
- Published applications
- 24
- Assignees
- 25
- Inventors
- 72
- Latest grant
- 5 Jan 2021
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1983 | 2 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 2 | 0 |
| 1987 | 2 | 0 |
| 1988 | 2 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 1 | 0 |
| 1992 | 0 | 0 |
| 1993 | 1 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 1 | 0 |
| 2001 | 1 | 0 |
| 2002 | 1 | 2 |
| 2003 | 1 | 1 |
| 2004 | 2 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 1 |
| 2007 | 0 | 2 |
| 2008 | 0 | 3 |
| 2009 | 1 | 0 |
| 2010 | 1 | 4 |
| 2011 | 1 | 1 |
| 2012 | 0 | 0 |
| 2013 | 2 | 0 |
| 2014 | 0 | 1 |
| 2015 | 0 | 2 |
| 2016 | 1 | 0 |
| 2017 | 2 | 2 |
| 2018 | 3 | 1 |
| 2019 | 1 | 3 |
| 2020 | 2 | 1 |
| 2021 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Machine and method for spark erosion machining of a gerotor pump5 Jan 2021US 10,882,128 B2Safran Aero Boosters SA
- Advanced herringbone gear design3 Nov 2020US 10,821,532 B2Sikorsky Aircraft Corporation
- Precision electrochemical machine for gear manufacture12 May 2020US 10,646,938 B2Sikorsky Aircraft Corporation
- Convex gear tooth edge break21 May 2019US 10,295,039 B2Sikorsky Aircraft Corporation
- Electrochemical machining method for rotors or stators for moineau pumps22 May 2018US 9,976,227 B2Baker Hughes, A Ge Company, LLC
- Apparatus for electrochemical machining gear outline and alignment structure thereof11 Jun 2020US 2020/0180057 A1Metal Industries Research & Development Centre
- Precision electrochemical machine for gear manufacture11 Jul 2019US 2019/0210130 A1Sikorsky Aircraft Corporation
- Electrochemical machining apparatus for gear outline6 Jun 2019US 2019/0168326 A1Metal Industries Research & Development Centre
- Advanced herringbone gear design24 Jan 2019US 2019/0022778 A1Sikorsky Aircraft Corporation
- Machine and Method for Spark Erosion Machining of a Gerotor Pump6 Sep 2018US 2018/0250760 A1Safran Aero Boosters SA
Most cited
By later US patents
- System and method for electrolytic deburring21US 5,256,262 A1993
- Process for spark erosion or electrochemical machining of tapered gears of hypoid tooth profile or similar parts13US 4,772,368 AWerkzeugmaschinenfabrik Oerlikon-Buhrle AG · 1988
- EDM electrode for creating a gear tooth form having a tooth shape in a cavity component and method of making an EDM electrode9US 6,204,466 B1G.W. Plastics, Inc. · 2001
- Rack and pinion steering gear7US 4,602,521 A1986
- Method for producing gear wheels7US 8,540,861 B2MTU Aero Engines AG · 2013