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

Icon_funbox Bizarre Patents

Patent No. 5421089

Fork With Timer

A fork with timer for providing a cue to a user after an elapsed period of time for indicating that another bite of food using the fork may be taken.

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 172/468 - Plural tools, independently actuatable


Subclass of Class 172 - Earth working
Definition: Apparatus in which actuating means are provided for lifting
No. of patents: 11
Last issue date: 03/13/2007


NumberTitleIssue Date
7188680Hydraulically adjustable hinged hitch
An agricultural implement includes a pivoting assembly, a working assembly, and a tow bar assembly. The working assembly includes a front gang of coulters and a rear gang of coulters. The pivoting assembly includes a hydraulic cylinder. The hydraulic cylinder is adj...
03/13/2007
7065947Powered ZRT sand grooming vehicle and grooming brush rake
A sand grooming vehicle comprises a vehicle having zero radius turn capability. The vehicle includes a front caster wheel, two independently driven rear wheels, and twin control sticks for allowing spin turning of the vehicle by driving the outboard drive wheel and ...
06/27/2006
6644001Implement combination
An implement combination has a self-propelled support vehicle moveable in a travel and working direction. At least one front-mounted implement is connected to a front end of the self-propelled support vehicle in the travel and working direction. At least ...
11/11/2003
5794712Mobile frame
A mobile frame (10) for supporting an elongate flexible structure (11) such as a ground working tool assembly, the mobile frame (10) is foldable between a first position in which the elongate flexible structure (11) is supported in a working condition in ...
08/18/1998
5449042Rephasing controlling/controlled hydraulic cylinders in folding implement frame
The invention is directed to a foldable agricultural implement frame having a first pair of controlling/controlled lifting hydraulic cylinders for lifting and lowering the right wing section and the center section together in a level condition, and a seco...
09/12/1995
4542793One-pass complete tillage system
The system includes a pull-type frame with a forward line of disc blades widely spaced to part the trash, mix it with soil and displace most of the mixture laterally on top of previously undisturbed soil, thereby creating strips of ground which are altern...
09/24/1985
4537261Combined chisel plow, rod weeder and drill
A generally conventional seeder is provided including a main frame supporting a plurality of laterally spaced rear seeder units and equipped with a forwardly projecting tractor attachable hitch assembly including dependingly supported ground wheel structu...
08/27/1985
4535849Implement with horizontal linkage depth control
An agricultural tillage implement has a main frame provided with support wheels and carrying the first set of ground working tools. A first lift mechanism raises and lowers the main frame relative to the support wheels. A sub-frame, carrying a second set ...
08/20/1985
4487268Lifting attachments for cultivators
Components suitable to be sold in kits can be readily applied to cultivators of different makes to be able to raise and to lower independently the ground-working tools on either side of the cultivators. A typical kit contains an upper supporting member, t...
12/11/1984
4444271Tillage apparatus with independent depth adjustment
An agricultural tillage implement adapted to be pulled by a vehicle comprises a main frame adapted to carry ground working tools. The main frame is supported on wheels rotatably mounted thereto. A sub-frame carrying ground working tools is mounted to the ...
04/24/1984
4050523Folding wing disc harrow
The invention provides a folding wing disc harrow wherein a hydraulic operating mechanism is provided for folding and unfolding the wings through an arc of more than 180° through the positive bidirectional linear movement of the plunger of a double actin...
09/27/1977
 
Sign InRegister
Username  
Password   
forgot password?