U.S. patents available from 1976 to present.
U.S. patent applications available from 2005 to present.

Icon_funbox Did You Know...

...that the first rickshaw was invented in 1869 by an American Baptist minister, the Rev. E. Jonathan Scobie, to transport his invalid wife around the streets of Yokohama?

Newsletter  PatentStorm News

Make the Most of Our Site

See this month's Top Inventors and Most Cited Patents.

Stay on top of the latest innovations by subscribing to an RSS feed.

Registered users: Manage your profile.

 

Class 454/13 - Chimneytop structure extends within chimney


Subclass of Class 454 - Ventilation
Definition: Subject matter wherein a portion of the structure is located
No. of patents: 7
Last issue date: 05/23/2006


NumberTitleIssue Date
7048624Manufactured chimney cap
A manufactured chimney cap is disclosed which provides a weatherproof long lasting enclosure that is designed in such a way so as to divert water away from a centrally integrated chimney flu and off of the chimney cap itself, being encased in a decorative weather-pr...
05/23/2006
6959903Cast in place chimney form
A cast in place chimney form and installation method therefor. The cast in place form being of a relatively light weight construction and having physical and visual features that allow it to be used as a chimney cap form and to be left as an element of the finished ...
11/01/2005
6918827Universal chimney cap
A chimney cap and a method for making the same are described. The chimney cap is more consistently and uniformly manufactured, which permits nesting. This is accomplished by forming the cap from single piece of expanded metal to create a substantially square or rect...
07/19/2005
5609522Combination damper and chimney cap apparatus
A combination damper and chimney cap apparatus is provided to ventilate a fireplace and a flue connected thereto to provide a draft through the flue. The apparatus includes a platform constructed and arranged to be removably mounted to the flue and formed...
03/11/1997
5595030Vent stack frost build up inhibitor
An aparatus adapted to be mounted on a sewer vent stack to inhibit frost buildup in cold weather including a supporting frame containing a central rotatable shaft with a wind turbine on the end exposed and four vanes on the end within the vent pipe. The r...
01/21/1997
5128980Automatic paging telephone set and method for controlling thereof
An automatic paging telephone set comprising first and second DTMF transmitters, a mode selector for selecting either a pager number recording mode, a paging mode, or a general communication mode, and a controller for controlling the telephone set accordi...
07/07/1992
4384617Chimney fire prevention device and tar trap
A chimney fire prevention device and tar trap. The device is seated on the top of a chimney or stove pipe and is comprised of a perforate support for a plastic sheet seal supporting a fire quenching material such as baking soda with sand as a weight agent...
05/24/1983
 
Sign InRegister
Username  
Password   
forgot password?