B29B 7/56
With co-operating rollers
Official title: with co-operating rollers {, e.g. with repeated action, i.e. the material leaving a set of rollers being reconducted to the same set or being conducted to a next set}
B29B7/56 (With co-operating rollers) appears on 47 US grants and 44 published applications in this corpus.
Search patents in B29B- Granted patents
- 47
- Published applications
- 44
- Assignees
- 39
- Inventors
- 140
- Latest grant
- 13 Jan 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 3 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 2 | 0 |
| 1986 | 1 | 0 |
| 1987 | 0 | 0 |
| 1988 | 1 | 0 |
| 1989 | 2 | 0 |
| 1990 | 0 | 0 |
| 1991 | 1 | 0 |
| 1992 | 0 | 0 |
| 1993 | 1 | 0 |
| 1994 | 0 | 0 |
| 1995 | 1 | 0 |
| 1996 | 1 | 0 |
| 1997 | 1 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 1 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 1 |
| 2005 | 0 | 2 |
| 2006 | 0 | 0 |
| 2007 | 1 | 2 |
| 2008 | 1 | 0 |
| 2009 | 1 | 1 |
| 2010 | 0 | 0 |
| 2011 | 0 | 1 |
| 2012 | 1 | 2 |
| 2013 | 1 | 2 |
| 2014 | 0 | 5 |
| 2015 | 2 | 5 |
| 2016 | 1 | 2 |
| 2017 | 5 | 2 |
| 2018 | 5 | 5 |
| 2019 | 3 | 5 |
| 2020 | 2 | 0 |
| 2021 | 0 | 1 |
| 2022 | 4 | 2 |
| 2023 | 0 | 3 |
| 2024 | 0 | 1 |
| 2025 | 2 | 1 |
| 2026 | 2 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Bag, method, and machine for producing a foam-in-bag dunnage material13 Jan 2026US 12,522,417 B2Storopack Hans Reichenecker GmbH
- Temperature management of rubber mixtures discharged from a converging conical twin-screw mixer6 Jan 2026US 12,515,374 B2Compagnie Generale Des Etablissements Michelin
- Rolling assembly23 Dec 2025US 12,502,813 B2Carl Freudenberg KG
- Production of rubber mixtures in a rubber mixture production line incorporating one or more twin-screw mixing and extrusion machines25 Nov 2025US 12,479,130 B2Compagnie Generale Des Etablissements Michelin
- System and method for producing rubber mixtures for tires5 Jul 2022US 11,376,761 B2Compagnie Generale Des Etablissements Michelin
- Rolling assembly26 Feb 2026US 2026/0054432 A1Carl Freudenberg KG
- Rubber sheet20 Feb 2025US 2025/0058501 A1Compagnie Generale Des Etablissements Michelin
- Rolling assembly24 Oct 2024US 2024/0351246 A1Carl Freudenberg KG
- Production of rubber mixtures in a rubber mixture production line incorporating one or more twin-screw mixing and extrusion machines19 Oct 2023US 2023/0330895 A1Compagnie Generale Des Etablissements Michelin
- Production of rubber mixtures in a rubber mixture production line incorporating one or more twin-screw mixing and extrusion machines20 Jul 2023US 2023/0226722 A1Compagnie Generale Des Etablissements Michelin
Most cited
By later US patents
- Molding composition based on vinyl chloride polymers, and process for the manufacture of films from these molding compositions for the production of forgery-proof valuable documents31US 4,551,294 AHeochst Aktiengesellschaft · 1985
- Method and apparatus for regenerating foamed plastics17US 4,254,068 AOtsuka Sangyo Kabushiki Kaisha · 1981
- Oil injection apparatus and method for polymer processing17US 5,676,461 AM. A. Hanna Rubber Compounding a division of M. A. Hanna Company · 1997
- Process for preparing adhesive using planetary extruder15US 7,476,416 B2Intertape Polymer Corp. · 2009
- Mixing and shearing roller-mill12US 4,605,309 AHermann Berstorff Maschinenbau GmbH · 1986