B28B 3/20
Wherein the material is extruded
Official title: wherein the material is extruded {(extrusion moulding of plastics B29C48/00)}
B28B3/20 (Wherein the material is extruded) appears on 820 US grants and 688 published applications in this corpus.
Search patents in B28B- Granted patents
- 820
- Published applications
- 688
- Assignees
- 296
- Inventors
- 1,366
- Latest grant
- 15 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 8 | 0 |
| 1977 | 5 | 0 |
| 1978 | 6 | 0 |
| 1979 | 8 | 0 |
| 1980 | 3 | 0 |
| 1981 | 13 | 0 |
| 1982 | 14 | 0 |
| 1983 | 5 | 0 |
| 1984 | 7 | 0 |
| 1985 | 4 | 0 |
| 1986 | 6 | 0 |
| 1987 | 14 | 0 |
| 1988 | 18 | 0 |
| 1989 | 20 | 0 |
| 1990 | 10 | 0 |
| 1991 | 12 | 0 |
| 1992 | 9 | 0 |
| 1993 | 13 | 0 |
| 1994 | 12 | 0 |
| 1995 | 7 | 0 |
| 1996 | 19 | 0 |
| 1997 | 31 | 0 |
| 1998 | 34 | 0 |
| 1999 | 22 | 0 |
| 2000 | 9 | 0 |
| 2001 | 22 | 2 |
| 2002 | 14 | 24 |
| 2003 | 12 | 16 |
| 2004 | 18 | 29 |
| 2005 | 7 | 20 |
| 2006 | 14 | 19 |
| 2007 | 16 | 20 |
| 2008 | 12 | 26 |
| 2009 | 11 | 35 |
| 2010 | 16 | 36 |
| 2011 | 14 | 28 |
| 2012 | 19 | 19 |
| 2013 | 16 | 18 |
| 2014 | 25 | 22 |
| 2015 | 17 | 33 |
| 2016 | 17 | 29 |
| 2017 | 17 | 44 |
| 2018 | 26 | 42 |
| 2019 | 28 | 34 |
| 2020 | 31 | 44 |
| 2021 | 30 | 40 |
| 2022 | 34 | 51 |
| 2023 | 27 | 15 |
| 2024 | 36 | 17 |
| 2025 | 19 | 18 |
| 2026 | 13 | 7 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- B28B 3/26Extrusion dies513
- B28B 3/22By screw or worm103
- B28B 2003/203For multi-channelled structuresIndexing code95
- B28B 3/24By reciprocating plunger28
- B28B 3/206Forcing the material through screens or slots20
- B28B 3/201Means for heating or cooling the barrel8
- B28B 3/205Using vibrations7
- B28B 3/208Exchangeable wear parts0
Recent patents
- Methods of plugging a permeable porous cellular body15 Sep 2026US 12,734,726 B2Corning Incorporated
- Method for producing abrasive particles15 Sep 2026US 12,735,614 B2Tyrolit Schleifmittelwerke Swarovski K.G.
- Methods and systems for cutting a channel in a precast concrete slab16 Jun 2026US 12,654,358 B2Concore BV
- Ceramic composite2 Jun 2026US 12,643,262 B2Shildan, Inc.
- Device for applying compounds and the use thereof26 May 2026US 12,636,675 B2Staedtler SE
- Apparatus for additive manufacturing of reinforced structures and a method for additive manufacturing of reinforced structures30 Jul 2026US 2026/0216913 A1Knauf Gips KG
- Printing System and 3D Printing Process4 Jun 2026US 2026/0152957 A1Putzmeister Engineering GmbH
- Nozzle for 3d printing construction system14 May 2026US 2026/0131501 A1
- Honeycomb structure and method for producing same7 May 2026US 2026/0124579 A1NGK Insulators, Ltd.
- Robust 3d-printed zinc-clay based catalysts for sustainable wastewater treatment30 Apr 2026US 2026/0115707 A1University of Doha for Science & Technology
Most cited
By later US patents
- Articles of manufacture and methods for manufacturing laminate structures including inorganically filled sheets312US 5,830,548 AE. Khashoggi Industries · 1998
- Sheets having a highly inorganically filled organic polymer matrix172US 5,508,072 AE. Khashoggi Industries · 1996
- Articles of manufacture fashioned from sheets having a highly inorganically filled organic polymer matrix171US 5,506,046 AE. Khashoggi Industries · 1996
- Starch-based compositions having uniformly dispersed fibers used to manufacture high strength articles having a fiber-reinforced, starch-bound cellular matrix165US 5,679,145 AE. Khashoggi Industries · 1997
- Highly insulative cementitious matrices and methods for their manufacture157US 5,641,584 AE. Khashoggi Industries · 1997