B28B 3/222
Screw or worm constructions
Official title: {Screw or worm constructions}
B28B3/222 (Screw or worm constructions) appears on 22 US grants and 25 published applications in this corpus.
Search patents in B28B- Granted patents
- 22
- Published applications
- 25
- Assignees
- 17
- Inventors
- 60
- Latest grant
- 3 Sep 2024
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 0 | 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 | 1 | 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 | 1 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 1 | 0 |
| 2002 | 0 | 3 |
| 2003 | 0 | 0 |
| 2004 | 3 | 2 |
| 2005 | 0 | 1 |
| 2006 | 2 | 0 |
| 2007 | 1 | 3 |
| 2008 | 0 | 0 |
| 2009 | 1 | 2 |
| 2010 | 0 | 2 |
| 2011 | 2 | 0 |
| 2012 | 1 | 3 |
| 2013 | 0 | 1 |
| 2014 | 1 | 1 |
| 2015 | 1 | 0 |
| 2016 | 0 | 1 |
| 2017 | 2 | 0 |
| 2018 | 0 | 0 |
| 2019 | 0 | 1 |
| 2020 | 1 | 2 |
| 2021 | 0 | 3 |
| 2022 | 0 | 0 |
| 2023 | 1 | 0 |
| 2024 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Screw elements for extrusion apparatus and methods of manufacturing a honeycomb body3 Sep 2024US 12,076,903 B2Corning Incorporated
- Kneading elements for extrusion apparatus and methods of manufacturing a honeycomb body7 Feb 2023US 11,571,832 B2Corning Incorporated
- Stucco paper screen assembly27 Oct 2020US 10,814,522 B2United States Gypsum Company
- Auger feeder of concrete mix and method of manufacturing an auger feeder2 May 2017US 9,637,316 B2Elematic Oyj
- Mixing segments for an extrusion apparatus and methods of manufacturing a honeycomb structure7 Mar 2017US 9,586,187 B2Corning Incorporated
- Rotating member, kneading machine member, and kneading machine using same, bearing and bearing unit using same24 Jun 2021US 2021/0187452 A1KYOCERA Corporation
- Extrusion apparatus for ceramic structures and honeycomb filters3 Jun 2021US 2021/0162625 A1Corning Incorporated
- System for extruding cementitious material beads for an architectural structure additive manufacturing robot20 May 2021US 2021/0146573 A1Xtreee
- Kneading elements for extrusion apparatus and methods of manufacturing a honeycomb body1 Oct 2020US 2020/0307019 A1Corning Incorporated
- Screw elements for extrusion apparatus and methods of manufacturing a honeycomb body3 Sep 2020US 2020/0276745 A1Corning Incorporated
Most cited
By later US patents
- Concrete extrusion machine and spiral conveyor therefor12US 6,331,069 B12001
- Apparatus for extruding ceramic molding10US 7,101,166 B2Denso Corporation · 2006
- Vacuum pug mill7US 5,716,130 A1998
- Extrusion molding apparatus6US 6,790,025 B2Denso Corporation · 2004
- Extrusion molding apparatus for ceramic molded product5US 7,101,165 B2Denso Corporation · 2006