B23F 15/08
Making intermeshing rotors
Official title: Making intermeshing rotors, e.g. of pumps
B23F15/08 (Making intermeshing rotors) appears on 42 US grants and 21 published applications in this corpus.
Search patents in B23F- Granted patents
- 42
- Published applications
- 21
- Assignees
- 33
- Inventors
- 52
- Latest grant
- 15 Jul 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 3 | 0 |
| 1978 | 4 | 0 |
| 1979 | 2 | 0 |
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 2 | 0 |
| 1988 | 1 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 2 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 2 | 0 |
| 1998 | 1 | 0 |
| 1999 | 0 | 0 |
| 2000 | 1 | 0 |
| 2001 | 1 | 0 |
| 2002 | 0 | 0 |
| 2003 | 1 | 1 |
| 2004 | 0 | 2 |
| 2005 | 2 | 2 |
| 2006 | 2 | 1 |
| 2007 | 1 | 1 |
| 2008 | 1 | 0 |
| 2009 | 0 | 1 |
| 2010 | 0 | 1 |
| 2011 | 0 | 0 |
| 2012 | 2 | 0 |
| 2013 | 0 | 1 |
| 2014 | 0 | 0 |
| 2015 | 0 | 2 |
| 2016 | 1 | 1 |
| 2017 | 2 | 1 |
| 2018 | 0 | 4 |
| 2019 | 0 | 0 |
| 2020 | 3 | 0 |
| 2021 | 1 | 1 |
| 2022 | 1 | 2 |
| 2023 | 0 | 0 |
| 2024 | 1 | 0 |
| 2025 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Method for manufacturing of a rotor15 Jul 2025US 12,358,064 B2Atlas Copco Airpower N.V.
- Gear wheel having an improved profile4 Jun 2024US 12,000,286 B2Settima Meccanica S.r.l.
- Rotating machine tool and process for cutting gearwheels with asymmetrical teeth24 May 2022US 11,338,380 B2Danfoss Power Solutions Inc.
- Method for manufacturing of a rotor11 May 2021US 11,000,907 B2Atlas Copco Airpower N.V.
- Method for manufacturing a stator or machining the inner wall of a stator25 Aug 2020US 10,751,819 B23 S Schnecken + Spindeln + Spiraten Bearbeitungsgesellschaft m.b.H.
- Method for producing a rotor of a screw compressor or a workpiece with a helical profile20 Oct 2022US 2022/0331891 A1Kapp Niles GmbH & Co. KG
- Gear wheel having an improved profile8 Sep 2022US 2022/0282621 A1Settima Meccanica S.r.l.
- Method for manufacturing of a rotor26 Aug 2021US 2021/0260676 A1Atlas Copco Airpower N.V.
- Rotating machine tool and process for cutting gearwheels with asymmetrical teeth4 Oct 2018US 2018/0281088 A1Danfoss Power Solutions Inc.
- Method for Manufacturing of a Rotor23 Aug 2018US 2018/0236577 A1Atlas Copco Airpower N.V.
Most cited
By later US patents
- Method and apparatus for grinding the tooth flanks of internally-toothed gear wheels19US 4,058,938 AFurstlich Hohenzollernsche Huttenverwaltung Laucherthal · 1977
- Screw rotor profile and method for generating14US 4,643,654 AAmerican Standard Inc. · 1987
- Screw compressor with involute profiled teeth12US 4,028,026 ALinde Aktiengesellschaft · 1977
- Gear pump, gear and method11US 4,106,361 AWyle Laboratories · 1978
- Method for manufacturing fluid compression/compressor rotor10US 6,122,824 A2000