B29C 48/635
Eccentrically rotating screws
Official title: Eccentrically rotating screws; Screws revolving around an axis other than their central axis
B29C48/635 (Eccentrically rotating screws) appears on 14 US grants and 15 published applications in this corpus.
Search patents in B29C- Granted patents
- 14
- Published applications
- 15
- Assignees
- 19
- Inventors
- 36
- Latest grant
- 21 Apr 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 1 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 1 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 1 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 1 |
| 2010 | 0 | 1 |
| 2011 | 1 | 4 |
| 2012 | 0 | 3 |
| 2013 | 1 | 0 |
| 2014 | 2 | 0 |
| 2015 | 1 | 0 |
| 2016 | 1 | 0 |
| 2017 | 0 | 1 |
| 2018 | 1 | 0 |
| 2019 | 1 | 0 |
| 2020 | 0 | 0 |
| 2021 | 0 | 1 |
| 2022 | 0 | 0 |
| 2023 | 1 | 0 |
| 2024 | 0 | 2 |
| 2025 | 0 | 2 |
| 2026 | 1 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Extrusion technique for forming polymer preforms, and tube-forming technique21 Apr 2026US 12,605,873 B2Kautex Maschinenbau System GmbH
- Production of a layered semi-finished product for use in tire production7 Nov 2023US 11,806,910 B2Compagnie Generale Des Etablissements Michelin
- Volume pulsed deformation plasticating and conveying method and device by eccentric rotor4 Jun 2019US 10,307,950 B2Guangzhou Huazinke Intelligent Manufacturing Technology Co., Ltd.
- Screw elements for extruding plastic compositions16 Jan 2018US 9,868,245 B2Covestro Deutschland AG
- Method for constructing bodies that rotate in the same direction and are in contact with one another and computer system for carrying out said method19 Apr 2016US 9,314,954 B2Bayer Intellectual Property GmbH
- Extruder system and method for processing washed polymer particles14 Aug 2025US 2025/0256450 A1Gneuss GmbH
- Screw elements with improved mixing effect and pressure build-up19 Jun 2025US 2025/0196077 A1Covestro Deutschland AG
- Extrusion unit for forming plastic preforms, and profiling technique28 Mar 2024US 2024/0100760 A1Kautex Maschinenbau GmbH
- Extrusion technique for forming polymer preforms, and tube-forming technique21 Mar 2024US 2024/0092009 A1Kautex Maschinenbau GmbH
- Production of a layered semi-finished product for use in tire production8 Jul 2021US 2021/0206043 A1Compagnie Generale Des Etablissements Michelin
Most cited
By later US patents
- Fractional and higher lobed co-rotating twin-screw elements24US 6,783,270 B1Steer Engineering (P) Limited · 2004
- Multi-shaft screw-type extruder, in particular twin-shaft extruder20US 6,048,088 AKrupp Werner & Pfleiderer GmbH · 2000
- Process for extrusion of pyrotechnical compositions13US 4,120,920 ASociete Nationale des Poudres et Explosifs · 1978
- Plasticizing screw7US 5,004,352 AMitsubishi Jukogyo Kabushiki Kaisha · 1991
- Method and a device for plasticizing and transporting polymer material based on elongation rheology2US 8,573,828 B2South China University of Technology · 2013