Datamp.org Patents https://www.datamp.org/ Recently added patents en-us US Patent: 834,216 https://www.datamp.org/patents/displayPatent.php?id=86000&pn=834,216 PIPE-WRENCH Patentee: Adolf Meierhoff - St. Louis MO Granted:1906-10-23

Adjustable jaw connected to main shank by sliding links. A selected "notch" on the adjustable jaw pivots on a rounded "nose" on the shank.
This is one of 85,289 patents currently in the database at datamp.org

]]>
US Patent: 1,431,421 https://www.datamp.org/patents/displayPatent.php?id=85999&pn=1,431,421 Blasting-fuse implement Patentee: Harry Prince - Cleveland OH Granted:1922-10-10
Manufactured by City Brass Foundry Co. - Cleveland OH
Assigned to City Brass Foundry Co. - Cleveland OH

Pliers type tool with provisions for cutting blasting cap fuse, crimping the cap to the fuse, and forming a hole for the capped fuse in the stick explosive. The drawings include details of the cutting and crimping operations. A known example is made of brass, with steel cutting blade.
This is one of 85,289 patents currently in the database at datamp.org

]]>
US Patent: 8,051,749 https://www.datamp.org/patents/displayPatent.php?id=85998&pn=8,051,749 Positive pivot centers for adjustable tools Patentees: Eric Gustafson - Pleasant Prairie WI , Glenn Kaufman - Racine WI , Garry Dillon - Kenosha WI Granted:2011-11-08
Manufactured by Snap-On, Inc. - Kenosha WI
Assigned to Snap-On, Inc. - Kenosha WI

Technical details of design and layout for a three-position slip joint pliers. The patent numbers appear on a variety of Snap-On three-position slip joint pliers. The specifications include an extensive list of prior art patents, including: 252,248 [Pease], 466,879 [pruning shears], 1,123,243, 1,344,629 [PARROT HEAD], 1,800,447 [WILDE], 2,483,380, and dozens more.
This is one of 85,289 patents currently in the database at datamp.org

]]>
GB Patent: 548,615 https://www.datamp.org/patents/displayPatent.php?id=85997&pn=548,615 Improvements relating to male spanners for use with a screw having a non-circular recess to receive the spanner Patentee: Leslie Lionel Long - Coventry, Warwickshire England Granted:1942-10-16
Assigned to Alfred Herbert Ltd. - Coventry, Warwickshire England

Rounded end, and circumferential groove combine to allow a driver to turn a "hollow head" screw or bolt even when not in direct line. The drawings show the principle applied to a hex "Allen wrench" type tool; decades later a similar device was patented and marketed as "ball driver."
This is one of 85,289 patents currently in the database at datamp.org

]]>
US Patent: 833,748 https://www.datamp.org/patents/displayPatent.php?id=85996&pn=833,748 Log Loading Machine Patentee: John R. McGiffert - Duluth, St. Louis County MN Granted:1906-10-23
Manufactured by Clyde Iron Works - Duluth, St. Louis County MN
Assigned to Clyde Iron Works - Duluth, St. Louis County MN

Abstract: My invention relates to log-loading machines, its object being to provide a log-loading device simple in operation and economical in construction. Claim: In a log-loading machine, the combination of a movable base, cable-operating mechanism, a cable, fixed means for receiving a running loop of said cable, and a chain secured to said base and transversely thereof td which the end of said cable may lie attached.
This is one of 85,289 patents currently in the database at datamp.org

]]>