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

Icon_funbox Did You Know...

...Daniel Webster invented a "bull plow" to pull out tree stumps. It didn't catch on because it was huge and required four oxen to pull it!

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 177/191 - With counterweight manipulating means


Subclass of Class 177 - Weighing scales
Definition: Apparatus with means for handling a counterweight.
No. of patents: 8
Last issue date: 01/01/2008


NumberTitleIssue Date
7315003High resolution offset electronic weighing devices and methods
Electronic weighing devices and method are disclosed wherein balances (particularly of the direct load type) are adapted to utilize less power thus creating less system heat and thereby enhancing weighing accuracy and range of operation. A preferred embodiment of th...
01/01/2008
6765156Golf club swing weight balance and scale
A golf club swing weight balance and scale according to the invention includes a weighing beam having and extending between first and second ends, a grip backstop disposed at the second end of the weighing beam and including a grip cap compensator movable within the...
07/20/2004
6600110Portable digital readout scale
A portable scale is provided that includes a fulcrum, a balance beam pivotally mounted on the fulcrum, the balance beam supporting a load pan on one end and including an elongated portion having a measurement strip extending along the elongated portion of...
07/29/2003
6268573Postal scale with leveling assembly
A portable postal scale for determining whether the weight of a letter exceeds the maximum for a given amount of postage, for example, one ounce. The scale comprises an elongated beam having a letter holder, a fulcrum, a leveling assembly and a preloaded ...
07/31/2001
5767456Postal scale
A portable postal scale for determining whether the weight of a letter exceeds the maximum for a given amount of postage, for example, one ounce. The scale comprises an elongated beam having a letter holding means, a fulcrum and a preloaded portion. The l...
06/16/1998
4766965Apparatus for depositing and lifting off of a reference weight in an electronic scale
An apparatus for depositing of reference weights in an electronic scale consisting of two levers swivelable around vertical axes, one end of each lever is always in contact with a cam disc attached on a vertically disposed shaft and the other end of which...
08/30/1988
4522277Rocking scale
A rocking scale or weighing device can be constructed so as to include a body equipped with two separate, spaced, identical bowed supports or rockers which extend generally between the ends of the body. A holder capable of holding an envelope or the like ...
06/11/1985
4384629Weighing device
A simple, inexpensive weighing device having only one part which moves relative to the remainder of the device can be constructed utilizing a body shaped so that it will rock relative to a supporting surface when an object is placed in a holder forming a ...
05/24/1983
 
Sign InRegister
Username  
Password   
forgot password?