B30B 11/22
Extrusion presses
Official title: Extrusion presses; Dies therefor (extruding by the use of roller-and-ring machines B30B11/20)
B30B11/22 (Extrusion presses) appears on 537 US grants and 275 published applications in this corpus.
Search patents in B30B- Granted patents
- 537
- Published applications
- 275
- Assignees
- 351
- Inventors
- 1,018
- Latest grant
- 11 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 15 | 0 |
| 1977 | 19 | 0 |
| 1978 | 15 | 0 |
| 1979 | 15 | 0 |
| 1980 | 12 | 0 |
| 1981 | 13 | 0 |
| 1982 | 13 | 0 |
| 1983 | 14 | 0 |
| 1984 | 14 | 0 |
| 1985 | 13 | 0 |
| 1986 | 15 | 0 |
| 1987 | 13 | 0 |
| 1988 | 19 | 0 |
| 1989 | 19 | 0 |
| 1990 | 13 | 0 |
| 1991 | 13 | 0 |
| 1992 | 13 | 0 |
| 1993 | 12 | 0 |
| 1994 | 15 | 0 |
| 1995 | 20 | 0 |
| 1996 | 8 | 0 |
| 1997 | 9 | 0 |
| 1998 | 11 | 0 |
| 1999 | 7 | 0 |
| 2000 | 10 | 0 |
| 2001 | 12 | 4 |
| 2002 | 3 | 5 |
| 2003 | 6 | 7 |
| 2004 | 4 | 8 |
| 2005 | 3 | 13 |
| 2006 | 9 | 8 |
| 2007 | 7 | 6 |
| 2008 | 3 | 7 |
| 2009 | 7 | 15 |
| 2010 | 0 | 12 |
| 2011 | 5 | 10 |
| 2012 | 6 | 17 |
| 2013 | 6 | 23 |
| 2014 | 16 | 15 |
| 2015 | 12 | 13 |
| 2016 | 15 | 11 |
| 2017 | 14 | 14 |
| 2018 | 5 | 11 |
| 2019 | 7 | 18 |
| 2020 | 14 | 12 |
| 2021 | 12 | 11 |
| 2022 | 4 | 6 |
| 2023 | 5 | 8 |
| 2024 | 9 | 12 |
| 2025 | 5 | 5 |
| 2026 | 8 | 4 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- B30B 11/24Using screws or worms249
- B30B 11/26Using press rams98
- B30B 11/221Extrusion dies92
- B30B 11/224Extrusion chambers49
- B30B 11/227Means for dividing the extruded material into briquets49
- B30B 11/228Using pressing means33
- B30B 11/28Using perforated rollers or discs19
- B30B 11/222Using several circumferentially spaced rollers7
All 9 subgroupsShow fewer
Recent patents
- Screw and twin-screw assembly for use in elastomer mixture extruders and associated method for extrusion of elastomer mixtures11 Aug 2026US 12,703,137 B2Pomini Rubber & Plastics S.r.l.
- Autogenic canister for metal recycling by indirect hot extrusion30 Jun 2026US 12,667,885 B2LeTourneau University
- System and method for making a block for gravity energy storage5 May 2026US 12,617,171 B2Energy Vault, Inc.
- Optical fiber and a glass preform manufacturing method5 May 2026US 12,617,707 B2
- Device for producing and conditioning a multi-component mixture and method for operating a device of this kind14 Apr 2026US 12,600,060 B2Henkel AG & Co. KGaA
- A screw extruder and a method of controlling extrusion pressure in a screw extruder13 Aug 2026US 2026/0233278 A1Circmet AS
- Screw For An Extruder And Extruder Device12 Mar 2026US 2026/0070277 A1Gimac Di Maccagnan Giorgio
- Multi-Roller System with Low Pressure Material Supply5 Mar 2026US 2026/0061716 A1
- Bodymaker airstrip airflow monitoring and optimization system and method26 Feb 2026US 2026/0054462 A1Stolle Machinery Company, LLC
- Die for producing aerosol-generating articles18 Dec 2025US 2025/0381721 A1Smoore International Holdings Limited
Most cited
By later US patents
- Tampon especially for feminine hygiene and a process and apparatus for producing this217US 6,310,269 B1McNeil-PPC, Inc. · 2001
- Shaped part for use as a construction material169US 6,022,615 A2000
- Apparatus for extruding flowable materials164US 5,358,397 AL&L Products, Inc. · 1994
- Method for the manufacture of granular grit for use as abrasives146US 4,393,021 AVereinigte Schmirgel und Maschinen-Fabriken AG · 1983
- Production of solid drug forms88US 6,051,253 ABASF SE · 2000