C03B 5/1875
Of the screw or pump-action type
Official title: {of the screw or pump-action type}
C03B5/1875 (Of the screw or pump-action type) appears on 48 US grants and 18 published applications in this corpus.
Search patents in C03B- Granted patents
- 48
- Published applications
- 18
- Assignees
- 18
- Inventors
- 78
- Latest grant
- 17 Nov 2020
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 3 | 0 |
| 1977 | 3 | 0 |
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 2 | 0 |
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 3 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 1 | 0 |
| 1992 | 1 | 0 |
| 1993 | 2 | 0 |
| 1994 | 2 | 0 |
| 1995 | 0 | 0 |
| 1996 | 5 | 0 |
| 1997 | 2 | 0 |
| 1998 | 2 | 0 |
| 1999 | 1 | 0 |
| 2000 | 2 | 0 |
| 2001 | 0 | 0 |
| 2002 | 2 | 1 |
| 2003 | 0 | 1 |
| 2004 | 1 | 0 |
| 2005 | 0 | 1 |
| 2006 | 3 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 2 |
| 2009 | 0 | 3 |
| 2010 | 0 | 1 |
| 2011 | 0 | 2 |
| 2012 | 1 | 2 |
| 2013 | 5 | 2 |
| 2014 | 0 | 1 |
| 2015 | 1 | 0 |
| 2016 | 1 | 1 |
| 2017 | 0 | 0 |
| 2018 | 0 | 0 |
| 2019 | 1 | 1 |
| 2020 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Molten material stirring system and method for stirring the material17 Nov 2020US 10,836,669 B2Corning Incorporated
- Stirrer for glass manufacture8 Oct 2019US 10,435,321 B2Tanaka Kikinzoku Kogyo K.K.
- System and method for restricting inward hydrogen permeation in a glass manufacturing system25 Oct 2016US 9,475,720 B2Corning Incorporated
- Stirring system with interspaced stirring elements and baffles, and method for homogenizing glass melts24 Feb 2015US 8,961,000 B2Umicore AG & Co. KG
- Method of manufacturing glass, and stirring device31 Dec 2013US 8,616,025 B2AvanStrate Inc.
- Molten material stirring system and method for stirring the material23 May 2019US 2019/0152824 A1Corning Incorporated
- Stirrer for glass manufacture1 Dec 2016US 2016/0347638 A1Tanaka Kikinzoku Kogyo K.K.
- System and method for restricting inward hydrogen permeation in a glass manufacturing system29 May 2014US 2014/0144184 A1Corning Incorporated
- Apparatus For Use In The Glass Industry And Method For Processing Molten Glass5 Sep 2013US 2013/0227993 A1Umicore AG & Co. KG
- Method of manufacturing glass, and stirring device23 May 2013US 2013/0125591 A1AvanStrate Inc.
Most cited
By later US patents
- Transparent infrared absorbing glass and method of making291US 4,792,536 APPG Industries, Inc. · 1988
- Method for rapidly melting and refining glass95US 3,951,635 AOwens-Illinois, Inc. · 1976
- Refining method for molten glass and an apparatus for refining molten glass89US 5,849,058 AAsahi Glass Company, Limited · 1998
- Apparatus for melting molten material73US 6,109,062 A2000
- Apparatus for melting molten material64US 6,357,264 B12002