Heat recovery ventilator
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Description
FIG. 1 is a perspective view of our novel heat recovery ventilator showing the top, side and end thereof;
FIG. 2 is a view of the end at the left side of FIG. 3;
FIG. 3 is a view of the top;
FIG. 4 is a view of the far side of FIG. 1;
FIG. 5 is a view of the other end; and,
FIG. 6 is view of the other side.
Referenced Cited
U.S. Patent Documents
Foreign Patent Documents
Other references
D142342 | August 1945 | De Flon et al. |
D184288 | January 1959 | Mart |
D187623 | April 1960 | Hamilton |
D195487 | June 1963 | Goldsmith |
D198147 | May 1964 | Phelps et al. |
215572 | May 1879 | Chase |
D275226 | August 21, 1984 | Nishigaki |
D286565 | November 4, 1986 | Drucker et al. |
2596008 | May 1952 | Collins |
2617634 | November 1952 | Jendrassik |
2917292 | December 1959 | Hittrich |
3313343 | April 1967 | Ware et al. |
3360038 | December 1967 | Stampes |
3444926 | May 1969 | Stalberg |
4099928 | July 11, 1978 | Norback |
4258784 | March 31, 1981 | Perry et al. |
4377201 | March 22, 1983 | Kruse et al. |
4377400 | March 22, 1983 | Okamoto et al. |
4389857 | June 28, 1983 | Svendsen |
4653581 | March 31, 1987 | Yogo et al. |
4815534 | March 28, 1989 | Fuerschbach |
4987955 | January 29, 1991 | Bergqvist et al. |
5002118 | March 26, 1991 | Olmstead et al. |
5056590 | October 15, 1991 | Bohn |
5072719 | December 17, 1991 | Burger et al. |
5193610 | March 16, 1993 | Morissette et al. |
69785 | December 1991 | CAX |
2059195 | January 1992 | CAX |
340109 | September 1921 | DEX |
885732 | November 1981 | SUX |
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Patent History
Patent number: D376842
Type: Grant
Filed: Apr 12, 1995
Date of Patent: Dec 24, 1996
Assignee: Nutech Energy Systems Inc.
Inventors: John Franklin (London), Peter K. Grinbergs (Dorchester), Grant W. Miles (London)
Primary Examiner: Lisa P. Lichtenstein
Attorneys: D. Peter Hochberg, Mark Kusner, Michael Jaffe
Application Number: 0/37,426
Type: Grant
Filed: Apr 12, 1995
Date of Patent: Dec 24, 1996
Assignee: Nutech Energy Systems Inc.
Inventors: John Franklin (London), Peter K. Grinbergs (Dorchester), Grant W. Miles (London)
Primary Examiner: Lisa P. Lichtenstein
Attorneys: D. Peter Hochberg, Mark Kusner, Michael Jaffe
Application Number: 0/37,426
Classifications