Donald A Matheson

US Patent:

7997529, Aug 16, 2011

Filed:

Mar 5, 2008

Appl. No.:

12/042629

Inventors:

William J. Koch - Bellevue WA, US
Donald P. Matheson - Redmond WA, US
Barney B. Anderson - Derby KS, US
Jeffrey R. Swada - Rose Hill KS, US

Assignee:

The Boeing Company - Chicago IL

International Classification:

B64C 7/00

US Classification:

244117R, 244121

Abstract:

A pressurized bulkhead or panel for an aircraft includes an energy absorbing skin that deforms in response to an object strike that imparts at least a threshold amount of impact energy to the skin. The skin may be configured as a dome or a lofted panel that is essentially free of rigid stiffeners and non-deformable reinforcement members that would otherwise hinder the flexible characteristics of the skin. The skin may be formed from a monolithic one-piece material, such as metal of composites, and may include various integrally formed reinforcing features.

US Patent:

8398021, Mar 19, 2013

Filed:

Mar 6, 2007

Appl. No.:

11/682818

Inventors:

William J. Koch - Bellevue WA, US
Donald P. Matheson - Redmond WA, US

Assignee:

The Boeing Company - Chicago IL

International Classification:

B64C 1/12

US Classification:

244119, 244121, 244133

Abstract:

An aircraft forward pressure bulkhead and an aircraft crown panel are described herein. The forward pressure bulkhead includes a malleable and deformable dome that is configured to “catch” foreign objects, such as birds. The dome is intentionally designed to deform in response to a foreign object strike that imparts at least a threshold amount of impact energy to the bulkhead. The dome is free of rigid stiffeners and non-deformable reinforcement members that would otherwise hinder the flexible characteristic of the dome. Practical embodiments of the bulkhead utilize fewer parts, are less heavy, and are less expensive than traditional bulkheads that utilize rigid stiffeners. The crown panel has similar compliant characteristics. The crown panel is designed to simultaneously deform and deflect in response to foreign object impacts such as birds and hail. The crown panel is formed from a monolithic one-piece material, such as aluminum, and various reinforcing features are integrally formed in the material.

US Patent:

8434716, May 7, 2013

Filed:

Dec 10, 2010

Appl. No.:

12/965451

Inventors:

William J. Koch - Bellevue WA, US
Donald P. Matheson - Redmond WA, US

Assignee:

The Boeing Company - Chicago IL

International Classification:

B64C 1/14

US Classification:

244119, 244121

Abstract:

An aircraft forward pressure bulkhead and an aircraft crown panel are described herein. The forward pressure bulkhead includes a malleable and deformable dome that is configured to “catch” foreign objects, such as birds. The dome is intentionally designed to deform in response to a foreign object strike that imparts at least a threshold amount of impact energy to the bulkhead. The dome is free of rigid stiffeners and non-deformable reinforcement members that would otherwise hinder the flexible characteristic of the dome. Practical embodiments of the bulkhead utilize fewer parts, are less heavy, and are less expensive than traditional bulkheads that utilize rigid stiffeners. The crown panel has similar compliant characteristics. The crown panel is designed to simultaneously deform and deflect in response to foreign object impacts such as birds and hail. The crown panel is formed from a monolithic one-piece material, such as aluminum, and various reinforcing features are integrally formed in the material.

US Patent:

8548544, Oct 1, 2013

Filed:

Jun 19, 2007

Appl. No.:

12/305582

Inventors:

Richard S. Mauseth - Woodinville WA, US
Jason N. Bishop - Bellevue WA, US
Donald P. Matheson - Redmond WA, US
Suray Bhatia - Seattle WA, US
Jeff A. Bilmes - Seattle WA, US

Assignee:

Dose Safety - Seattle WA

International Classification:

A61B 5/00

US Classification:

600316, 600347, 600365

Abstract:

A system and method for automatically adjusting parameters for predicting blood glucose levels and/or controlling the dispensing of insulin. In one embodiment, the system is a stand-alone system. In one embodiment, the system is part of a system for controlling the dispensing of insulin.

US Patent:

20060284016, Dec 21, 2006

Filed:

Jun 2, 2005

Appl. No.:

11/143287

Inventors:

Chris Balsillie - Mukilteo WA, US
Donald Matheson - Redmond WA, US
Jeffrey Sandys - Shoreline WA, US
Shawn Pare - Woodinville WA, US

International Classification:

B64C 1/14

US Classification:

244129300

Abstract:

A window assembly and method for use with a mobile platform, and particularly with commercial or military aircraft. The window assembly includes a composite window panel that is secured to the fuselage skin of the aircraft. A tempered glass fairing is used in connection with a retainer clip and a plurality of sealing components to seal the fairing over the window panel in a manner that provides a sealed air gap between the inner surface of the fairing and the outer surface of the window panel. The fairing and the sealed air gap help to thermally isolate the window panel from the significant ambient temperature changes that are encountered during flight of the mobile platform. The fairing also provides a hazard barrier to protect the composite window panel from impact by foreign objects during flight. The sealed air gap also helps to control deflection of the fairing to thus ensure that the fairing maintains an aerodynamic profile generally in accordance with the contour of the outer surface of the fuselage.

US Patent:

20110139932, Jun 16, 2011

Filed:

Dec 15, 2009

Appl. No.:

12/638977

Inventors:

Donald P. Matheson - Redmond WA, US
Kenneth L. Brook - Seattle WA, US

Assignee:

THE BOEING COMPANY - Seal Beach CA

International Classification:

B64C 1/12
B32B 37/02
B21D 53/88

US Classification:

244132, 156182, 298972

Abstract:

A structure may comprise a skin member and a hat stringer. The hat stringer may include a base portion and first and second webs extending outwardly from the base portion. Each one of the first and second webs may be comprised of a wrap laminate having wrap plies and a cover laminate having cover plies. The first and second webs may be interconnected by a cap. The hat stringer and skin member may be co-cured.

US Patent:

20120291285, Nov 22, 2012

Filed:

May 19, 2011

Appl. No.:

13/111375

Inventors:

Malmurugan Kamaraj - Kent WA, US
Donald Paul Matheson - Redmond WA, US

Assignee:

THE BOEING COMPANY - Chicago IL

International Classification:

B21D 53/88
B32B 3/02
B32B 3/06

US Classification:

298972, 428 99, 428 81

Abstract:

A method and apparatus comprising a composite elongate member, a channel, and a number of composite structures. The composite elongate member has a side configured for attachment to a structure. The channel is on the side of the composite elongate member and extends along a length of the composite elongate member. The number of composite structures is configured for placement in the channel and to attach a portion of the side of the composite elongate member to the structure. The number of composite structures is configured to increase a capacity of the composite elongate member to withstand forces that pull the composite elongate member away from the structure.

US Patent:

20120292446, Nov 22, 2012

Filed:

Aug 10, 2011

Appl. No.:

13/206946

Inventors:

Malmurugan Kamaraj - Kent WA, US
Donald Paul Matheson - Redmond WA, US

Assignee:

THE BOEING COMPANY - Chicago IL

International Classification:

B64C 1/06
B32B 3/00

US Classification:

2441291, 428156

Abstract:

An apparatus comprises a composite elongate member, a channel, and a number of composite structures. The composite elongate member has a side configured for attachment to a surface of a structure. The channel is on the side and extends along a length of the composite elongate member. The number of composite structures is configured for placement in the channel and configured to attach a portion of the side of the composite elongate member to the structure. The number of composite structures has layers oriented substantially perpendicular to the surface of the structure. The number of composite structures is configured to increase a capacity of the composite elongate member to withstand forces that pull the composite elongate member away from the structure.