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...that several people are credited with the invention of the flush toilet? Most people have heard of Thomas Crapper (1837-1910), the sanitary engineer who invented the valve-and-siphon arrangement that made the modern toilet possible. Another claimant to "the throne" was British inventor Alexander Cumming who patented a toilet in 1775. Then there's a nameless Minoan (a native of ancient Crete) who lived 4,000 years ago who supposedly was ahead of his time and created the first flush toilet!

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Class 172/58 - Longitudinal axes


Subclass of Class 172 - Earth working
Definition: Apparatus in which the axes of cyclic movement of the spaced
No. of patents: 6
Last issue date: 04/02/2002


NumberTitleIssue Date
6364029Machine for displacing grindstones
The invention relates to a machine for displacing grindstones with a milling cutter (28, 30). The inventive machine is laterally guided along a grindstone, in a displacement direction, and removes a layer of material from the grindstone through milling ev...
04/02/2002
4909334Machine for filling ruts in agricultural fields
An agricultural machine for smoothing ruts, such as are produced in a field by center pivot sprinkler irrigation systems, comprises a pair of rotary tillers arranged in a unique frame for traveling over and along respectively opposite sides of the rut as ...
03/20/1990
4359101Ground preparation tool for reforestation
This invention relates to an auger and to a plow including such auger. This specification discloses an auger which is suitable for use even in the difficult terrain encountered in typical reforestation operations. An auger in accordance with this disclosu...
11/16/1982
4148364Cultivating machine
A cultivating machine (FIG. 1) having a frame (1) for mounting of the machine on a tractor, and having arms (34) on which angle drives (6) for the cultivating tools (26) are mounted, resiliently joined thereto by way of arms (29) and connectors (33, 35, 3...
04/10/1979
4142586Tines construction
This tines assembly is for attachment to a drive shaft and includes a front shaft portion, a rear shaft portion connected between the front shaft portion and the drive shaft, and front and rear tines mounted in removable relation to the rear shaft portion...
03/06/1979
4121668Motor-driven cultivator with counter-rotating auger shafts
This cultivator includes a base, which is carried by a pair of ground wheels, and a motor mounted to the base above a pair of auger assemblies. The motor shaft extends rearwardly of the base and the auger assemblies include elongate shafts rotatively moun...
10/24/1978
 
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