B21K 1/42
Pulleys
Official title: pulleys, e.g. cable pulleys
B21K1/42 (Pulleys) appears on 21 US grants and 6 published applications in this corpus.
Search patents in B21K- Granted patents
- 21
- Published applications
- 6
- Assignees
- 13
- Inventors
- 42
- Latest grant
- 26 Mar 2013
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 0 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 1 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 1 | 0 |
| 1990 | 3 | 0 |
| 1991 | 1 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 1 | 0 |
| 1996 | 0 | 0 |
| 1997 | 1 | 0 |
| 1998 | 0 | 0 |
| 1999 | 2 | 0 |
| 2000 | 1 | 0 |
| 2001 | 1 | 1 |
| 2002 | 2 | 0 |
| 2003 | 1 | 0 |
| 2004 | 0 | 1 |
| 2005 | 1 | 2 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 1 |
| 2009 | 0 | 0 |
| 2010 | 0 | 1 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Manufacturing method of compressor pulley26 Mar 2013US 8,402,658 B2Halla Climate Control Corporation
- Pulley and bearing assembly and a method and apparatus for inserting and fastening a bearing within a pulley13 Sep 2005US 6,941,651 B2
- Caulking roller and sintered flanged pulley caulked by the caulking roller1 Apr 2003US 6,540,428 B2Tsubakimoto Chain Co.
- Method of manufacturing poly-V-pulley7 May 2002US 6,381,847 B1Kabushiki Kaisha Kanemitsu
- Method of producing a poly-V pulley16 Apr 2002US 6,370,776 B1Kabushiki Kaisha Kanemitsu
- Manufacturing method of compressor pulley27 May 2010US 2010/0126019 A1Halla Climate Control Corporation
- Method of Manufacturing a Non-Circular Drive Element and Drive Element Made Thereby26 Jun 2008US 2008/0153646 A1Litens Automotive Partnership
- Clutch suction disk for air compressor of vehicle air conditioner27 Oct 2005US 2005/0238509 A1
- Extruded pulley13 Jan 2005US 2005/0005448 A1
- Pulley and bearing assembly and a method and apparatus for inserting and fastening a bearing within a pulley14 Oct 2004US 2004/0200071 A1
Most cited
By later US patents
- Pulley with a high-friction groove surface and manufacturing method therefor29US 4,913,689 AMitsubishi Denki Kabushiki Kaisha · 1990
- Method for manufacturing pulley with a high-friction groove surface20US 4,905,361 AMitsubishi Denki Kabushiki Kaisha · 1990
- Method of making poly-V grooved pulley12US 5,068,964 AAisin Seiki Kabushiki Kaisha · 1991
- Method of forming a boss on a plate-like metallic blank, and method of forming a pulley from a metallic plate10US 5,448,832 AKabushiki Kaisha Kanemitsu · 1995
- Sheet metal member having a peripheral wall and method of thickening the peripheral wall thereof9US 5,904,060 AKabushiki Kaisha Kanemitsu · 1999