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Duracraft Corporation Patents |
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Assignee: Duracraft Corporation
Address: Whitinsville, MA
No. of patents: 89
Patents:
| Patent Number |
Title Of Patent |
Date Issued |
| RE35153 |
Humidifier with float activated water level responsive turn off |
February 6, 1996 |
| A humidifier including a base defining a reservoir for retaining a liquid volume having an upper surface; a humidification unit removably mounted on the base and having an electrically energized humidifier adapted to induce dispersion of liquid retained by the reservoir, and a switch ada |
| D382635 |
Humidifier |
August 19, 1997 |
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| D376418 |
Portable ceramic heater |
December 10, 1996 |
|
| D376417 |
Portable electric heater |
December 10, 1996 |
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| D374921 |
Humidifier housing |
October 22, 1996 |
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| D374712 |
Portable electric heater |
October 15, 1996 |
|
| D374279 |
Air cleaner |
October 1, 1996 |
|
| D374071 |
Portable electric fan with a swivel mount |
September 24, 1996 |
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| D372771 |
Multiple blade window fan |
August 13, 1996 |
|
| D371833 |
Giant heater |
July 16, 1996 |
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| D370059 |
Humidifier tank |
May 21, 1996 |
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| D369654 |
Portable humidifier |
May 7, 1996 |
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| D364676 |
Cool mist impeller humidifier |
November 28, 1995 |
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| D362906 |
Evaporative humidifier |
October 3, 1995 |
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| D359552 |
Humidifier |
June 20, 1995 |
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| D358639 |
Stand with electrical control unit for a portable fan |
May 23, 1995 |
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| D357310 |
Humidifier |
April 11, 1995 |
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| D355248 |
Portable vaporizer |
February 7, 1995 |
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| D349566 |
Air purifier |
August 9, 1994 |
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| D349334 |
Evaporative humidifier |
August 2, 1994 |
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| D348728 |
Shell for an evaporative humidifier |
July 12, 1994 |
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| D347683 |
Portable electrical heater |
June 7, 1994 |
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| D346855 |
Portable electrical fan heater |
May 10, 1994 |
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| D346653 |
Fan stand |
May 3, 1994 |
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| D346652 |
High velocity fan with a convertible stand |
May 3, 1994 |
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| D346441 |
Expandable window fan |
April 26, 1994 |
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| D346440 |
Portable fan |
April 26, 1994 |
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| D345011 |
Expandable window fan |
March 8, 1994 |
|
| D341652 |
Portable electrical fan |
November 23, 1993 |
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| D336511 |
Portable humidifier |
June 15, 1993 |
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| D335341 |
Portable vaporizer |
May 4, 1993 |
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| D335340 |
Portable electrical humidifier |
May 4, 1993 |
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| D330074 |
Portable electrical humidifier |
October 6, 1992 |
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| D328341 |
Portable electric heater |
July 28, 1992 |
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| D323708 |
Portable electrical fan |
February 4, 1992 |
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| D322121 |
Portable humidifier |
December 3, 1991 |
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| D321048 |
Portable humidifier |
October 22, 1991 |
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| D320440 |
Portable humidifier |
October 1, 1991 |
|
| D318723 |
Portable fan heater |
July 30, 1991 |
|
| D317199 |
Portable electrical fan |
May 28, 1991 |
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| D316599 |
Portable electrical fan |
April 30, 1991 |
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| D315018 |
Portable electrical fan |
February 26, 1991 |
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| D314428 |
Portable electrical fan |
February 5, 1991 |
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| D314047 |
Portable electrical fan |
January 22, 1991 |
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| 5664996 |
Multiple blade window fan |
September 9, 1997 |
| A portable window fan including a housing having a bottom wall for mounting on a sill of a window with an open sash, a top wall for engaging the open sash, a rear wall defining a plurality of inlet openings, and a front wall defining three substantially aligned discharge openings spaced |
| 5660586 |
Variable discharge window fan |
August 26, 1997 |
| A portable electric fan including a housing having inlet and outlet openings and adapted for mounting in an open window, a movable blade mechanism retained in the housing and operable to supply air through the open window between the inlet and outlet openings and a blade drive operat |
| 5658195 |
Window fan with oscillating fan enclosure |
August 19, 1997 |
| A portable electric fan including a housing adapted for substantially covering a window opening, an enclosure movably mounted on the housing and defining an intake opening and a discharge opening, an enclosure drive coupled to the enclosure and operable to produce movement thereof on the |
| 5637039 |
Compact portable window fan |
June 10, 1997 |
| A portable fan including an air director housing for mounting between a sill and sash of an open window and having oppositely directed first and second open ends, spaced apart top and bottom walls extending between the first and second open ends, and spaced apart side walls joined to the |
| 5558501 |
Portable ceiling fan |
September 24, 1996 |
| A portable electric fan including a plurality of posts connectable to form an elongated pole having first and second ends; a pedestal attached to the first end of the pole and adapted to provide support thereof on a base surface; and a clamp attached to the second end of the pole and ada |
| 5553607 |
Portable steam inhalator |
September 10, 1996 |
| A portable inhalator including a housing defining an inhalation chamber with a discharge opening for accommodating a breath supporting body portion, an exhaust passage terminating with an exhaust opening and isolated from the inhalation chamber, and a liquid reservoir communicating t |
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