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Patent No. 5719655

System for magnetically attaching templeless eyewear to a person

A system of eyewear that eliminates the need for hinges on the frames of the eyewear.

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Class 294/86.26 - Contracting grappling means (e.g., overshot)


Subclass of Class 294 - Handling: hand and hoist-line implements
Definition: Grapples having a grappling means that is movable laterally
No. of patents: 10
Last issue date: 07/24/2007


NumberTitleIssue Date
7246663Positive engagement indicator for wireline fishing operations
A device and method for retrieving a tool string from downhole locations through the use of one or more engagement sensors. The one or more engagement sensors are activated by the tool string engaging an overshot device. The one or more engagement sensor may be mech...
07/24/2007
7096952Latch mechanism guide
An apparatus and method for guiding a fish into engagement with a latch mechanism on a fishing tool, by expanding the ends of a set of fingers into contact with a bore hole. The ends of the fingers surround the fish and guide the fish and the latch mechanism togethe...
08/29/2006
6719052Latch mechanism guide
An apparatus and method for guiding a fish into engagement with a latch mechanism on a fishing tool, by hydraulically expanding the ends of a set of fingers into contact with a bore hole. The ends of the fingers surround the fish and guide the fish and the latch mec...
04/13/2004
5265927Downhole fishing tool
A sucker rod coupling retrieval tool which includes a cylindrical slip bowl having an axially offset cylindrical bore in one end. The opposite end is threaded onto the lower end of a top sub which defines an internal bore receiving an annular bearing. A s...
11/30/1993
5224547Retrieving tool for downhole packers utilizing non-rotational workstrings
An apparatus for retrieving downhole devices is disclosed. The apparatus of the present invention includes a retrieving device that can be run on non-conventional workstrings such as coiled tubing, wireline, or electric line. The apparatus comprises a pow...
07/06/1993
5106140Oil-field wireline fishing tool
The present invention is an oilfield wireline fishing tool with expansible wings. The wings open up in umbrella fashion after leaving production tubing allowing the fishing tool to cover the entire diameter of the well casing. Upon reentry into tubing the...
04/21/1992
4883118Combination tubing cutter and releasing overshot
A mechanical tubing cutter for severing and retrieving fish from wells comprises a slip body for clamping the upper end of the fish, and cam-actuated cutter knives for severing the fish below the slip body. The clamping and cutting operations occur in an ...
11/28/1989
4869149At-sea recovery handling system
A stabilizing system for use in conjunction with a crane/boom in which an ject is held fast to a foam cushion within the system. A hook that forms part of the system grasps a sling holding the object and secures the object against the foam cushion. The ob...
09/26/1989
4714582Actuating device for linearly moving a cluster of control elements in a nuclear reactor
A device for moving a cluster of nuclear reactor control elements, more especially usable for changing the moderation rate of a nuclear reactor, comprising a vertical shaft having nippers cooperating with grabs integral with sub-clusters. Each grab compri...
12/22/1987
4199210Automatic coupling and decoupling apparatus
Method and apparatus for effecting perforation of a well casing with a casing gun while maintaining pressure in the well bore at a lower level than the pressure in the surrounding reservoir at the point of perforation. Before production tubing is run into...
04/22/1980
 
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