B29C 2045/1798
Using spring tension to drive movable machine parts
Official title: {Using spring tension to drive movable machine parts}
B29C2045/1798 (Using spring tension to drive movable machine parts) appears on 5 US grants and 6 published applications in this corpus.
Search patents in B29C- Granted patents
- 5
- Published applications
- 6
- Assignees
- 8
- Inventors
- 15
- Latest grant
- 9 Nov 2010
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1999 | 1 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 2 |
| 2003 | 1 | 1 |
| 2004 | 0 | 2 |
| 2005 | 0 | 0 |
| 2006 | 2 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 1 |
| 2009 | 0 | 0 |
| 2010 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Drive unit9 Nov 2010US 7,828,540 B2Bosch Rexroth AG
- Plasticizing unit with an electromotive spindle drive for an injection molding machine26 Sep 2006US 7,112,056 B2Demag Ergotech GmbH
- Injection molding machine with an electromotive spindle drive and a spring-based energy storage device for supporting the electric motor8 Aug 2006US 7,086,851 B2Demag Ergotech GmbH & L & T-Demag Plastics Machinery
- Method of and apparatus for determining separating force of molded product from mold9 Sep 2003US 6,616,872 B2Fanuc Corporation
- Means for driving a displaceably mounted component of an injection moulding machine9 Nov 1999US 5,980,235 AEngel Maschinenbau Gesellschaft m.b.H.
- Drive Unit21 Aug 2008US 2008/0199556 A1Bosch Rexroth AG
- Plasticizing unit with an electromotive spindle drive for an injection molding machine8 Jul 2004US 2004/0131723 A1Demag Ergotech GmbH
- Injection molding machine with an electromotive spindle drive and a spring-based energy storage device for supporting the electric motor3 Jun 2004US 2004/0105910 A1Demag Ergotech GmbH
- Spring plunger with positioning function9 Jan 2003US 2003/0008033 A1
- Electric actuator17 Oct 2002US 2002/0149268 A1Namu Co., Ltd.
Most cited
By later US patents
- Method of and apparatus for determining separating force of molded product from mold10US 6,616,872 B2Fanuc Corporation · 2003
- Injection molding machine with an electromotive spindle drive and a spring-based energy storage device for supporting the electric motor6US 7,086,851 B2Demag Ergotech GmbH & L & T-Demag Plastics Machinery · 2006
- Means for driving a displaceably mounted component of an injection moulding machine5US 5,980,235 AEngel Maschinenbau Gesellschaft m.b.H. · 1999
- Plasticizing unit with an electromotive spindle drive for an injection molding machine3US 7,112,056 B2Demag Ergotech GmbH · 2006
- Drive unit2US 7,828,540 B2Bosch Rexroth AG · 2010