Mark G Watson

US Patent:

6377182, Apr 23, 2002

Filed:

Oct 19, 2000

Appl. No.:

09/692758

Inventors:

Mark A. Devine - Shorewood IL
Mark A. Watson - Plainfield IL
Andrew J. Ivanecky - Aurora IL
Lulzim Osmani - Glen Ellyn IL
Kenneth L. Venzant - Bolingbrook IL
Samuel D. Lopez - Oswego IL

Assignee:

BRK Brands, Inc. - Aurora IL

International Classification:

G08B 1710

US Classification:

340628, 340629, 340630

Abstract:

A smoke detector has a geometry that locates a sensor or sensors at or near a boundary layer of smoke movement thus facilitating smoke entry into the sensor and/or sensors. The sensors are mounted so as to protrude from the bottom of a cover instead of into the cover of the detector.

US Patent:

20210252581, Aug 19, 2021

Filed:

May 5, 2021

Appl. No.:

17/308666

Inventors:

- Harrison OH, US
Mark Watson - Elmhurst IL, US

International Classification:

B21D 37/10
B33Y 80/00

Abstract:

A 3D printed tool includes a tool body extending between first and second ends and including at least one loading surface defining an axis, at least one support surface configured to receive a clamp, and a structural weakness portion positioned along the axis between the at least one loading surface and the at least one support surface. The structural weakness portion is configured to cause the at least one tool body to fail along a predetermined fault line such that the at least one tool body splits substantially down a middle of the at least one tool body when overloaded.