The dashed lines in the drawing figures represent the environment and do not constitute part of the claimed design. The ribs and cooling fins of the end-fitting of a concentric-tube heat exchanger design are axisymmetric.
The dashed lines in the drawing figures represent the environment and do not constitute part of the claimed design. The ribs and cooling fins of the end-fitting of a concentric-tube heat exchanger design are axisymmetric.
Number | Name | Date | Kind |
---|---|---|---|
1466592 | King | Aug 1923 | A |
1679545 | Roth | Aug 1928 | A |
1731171 | Miller | Oct 1929 | A |
1930285 | Robinson | Oct 1933 | A |
2551710 | Slaughter | May 1951 | A |
3173196 | Grimm | Mar 1965 | A |
3750709 | French | Aug 1973 | A |
3892273 | Nelson | Jul 1975 | A |
4157194 | Takahashi | Jun 1979 | A |
4369217 | Leistritz | Jan 1983 | A |
5409057 | Zifferer | Apr 1995 | A |
5423353 | Sorensen | Jun 1995 | A |
5433252 | Wolf et al. | Jul 1995 | A |
5931184 | Armenia et al. | Aug 1999 | A |
6098704 | Tsuchiya et al. | Aug 2000 | A |
6116290 | Ohrn et al. | Sep 2000 | A |
7086668 | Takasaki et al. | Aug 2006 | B2 |
D574932 | Zhuang | Aug 2008 | S |
D615165 | McAlpine et al. | May 2010 | S |
D676943 | Kluss et al. | Feb 2013 | S |
20030218332 | Takasaki et al. | Nov 2003 | A1 |
20040261450 | Yoshino et al. | Dec 2004 | A1 |
20060005387 | Tase et al. | Jan 2006 | A1 |
20080026174 | Yamasaki et al. | Jan 2008 | A1 |
20090166019 | Tokizaki et al. | Jul 2009 | A1 |
20100264643 | Royston et al. | Oct 2010 | A1 |