Christopher J Larson

US Patent:

D681068, Apr 30, 2013

Filed:

Apr 3, 2012

Appl. No.:

29/417427

Inventors:

Christopher T. Larson - Waukesha WI, US
James Hutsick - Racine WI, US
Daniel Schlegel - Germantown WI, US

Assignee:

Harnischfeger Technologies, Inc. - Wilmington DE

International Classification:

1503

US Classification:

D15 28, D15 33

US Patent:

20200254599, Aug 13, 2020

Filed:

Feb 7, 2020

Appl. No.:

16/784865

Inventors:

- Brookfield WI, US
Christopher T. Larson - Waukesha WI, US

International Classification:

B25D 1/04

Abstract:

A tool, such as a hammer, including cladding on a striking surface is shown and described. The cladding interfaces against the object struck by the hammer, thus protecting the hammerhead body from wear. In one embodiment, the cladding comprises multiple separate cladding projections that are affixed to the striking surface.

US Patent:

20190076936, Mar 14, 2019

Filed:

Sep 10, 2018

Appl. No.:

16/126499

Inventors:

- Brookfield WI, US
Christopher T. Larson - Waukesha WI, US
Todd S. Hahn - West Allis WI, US

International Classification:

B23B 51/00
B23B 51/02

Abstract:

An auger bit for cutting holes. The auger bit includes a body made of a first material. The body has a first end, a second end configured to be coupled to a power tool, a flute, and a longitudinal axis extending centrally through the body. The auger bit also includes a cutting tip made of a second material different from the first material. The cutting tip is coupled to the first end of the body. The cutting tip includes a first shoulder having a first spur, a first main cutting edge, and a first side cutting edge. The cutting tip also includes a second shoulder opposite the first shoulder and having a second spur, a second main cutting edge, and a second side cutting edge. The cutting tip further includes a center spur positioned between the first shoulder and the second shoulder and on the longitudinal axis.

US Patent:

20170284061, Oct 5, 2017

Filed:

Jun 15, 2017

Appl. No.:

15/624101

Inventors:

- Wilmington DE, US
James Hutsick - Racine WI, US
Daniel Schlegel - Germantown WI, US
Christopher T. Larson - Waukesha WI, US

International Classification:

E02F 9/18

Abstract:

A counterweight system for an industrial machine includes a body having a front end and a back end, the body defining a cavity, and a plurality of walls defining a plurality of discrete sections within the body, each discrete section having an aperture for inserting a counterweight into the cavity.