Mechanical and Electromechanical Apparatus; Photographic And Fiber Optic Devices; Heating And Cooling Systems; Power Generation Systems; Fuel Systems; Biomechanical Devices; Aircraft Engines; Aircraft Systems, Fluid Systems; Toys and Games; Stage and Lighting Equipment for Architectural, Photographic and Entertainment Uses; Safes; Firearms; Medical Devices. Representative Patents: 11,427,306   Piezoelectric thrust vector control for dual-mode unmanned aerial vehicle (Assignee: The Boeing Company) 11,347,039   Optical imaging and scanning of holes (Assignee: The Boeing Company) 11,163,067   Interface device and method for retrofitting an airplane with GNSS landing capability (Assignee: The Boeing Company) 5,537,806   Bag sealing apparatus and related method for sealing bags (Assignee: International Paper Company) 5,778,545   Magnetically damped azimuth resolver (Assignee: General Electric Company) 5,852,271   Water exclusion device for underwater thermal processing (Assignee: General Electric Company) 6,190,218   Pump jet with redirected exhaust gas through stator wane for drag reduction (Assignee: Outboard Marine Corporation) 6,780,263   Sealer with continuous motion ultrasonic zipper welding (Assignee: Illinois Tool Works Inc.) 7,461,680   Apparatus for repeatedly advancing fastener tape a predetermined distance (Assignee: Illinois Tool Works Inc.) 8,738,226   Holonomic motion vehicle for travel on non-level surfaces (Assignee: The Boeing Company) 9,650,991   Pivoting ring petal actuation for variable area fan nozzle (Assignee: The Boeing Company) 10,053,269   Multi-functional fiber optic fuel sensor system having a photonic membrane (Assignee: The Boeing Company) 10,634,123   Apparatus and methods for maintenance of wind turbine blades (Assignee: The Boeing Company) 10,652,441   Systems and methods for protecting imaging devices against high-radiant-flux light (Assignee: The Boeing Company) 10,969,367   Automated ultrasonic inspection of elongated composite members using single-pass robotic system (Assignee: The Boeing Company) 11,128,251   Fault-tolerant power system architecture for aircraft electric propulsion (Assignee: The Boeing Company) 5,493,541   Ultrasonic transducer array having laser-drilled vias for electrical connection of electrodes (Assignee: The Boeing Company) 5,668,516   Simplified active shield superconducting magnet assembly for magnetic resonance imaging (Assignee: General Electric Company) 5,701,742   Configured indium gasket for thermal joint in cryocooler (Assignee: General Electric Company) 6,293,836   Water jet propulsion unit with means for varying area of nozzle outlet (Assignee: Bombardier Motor Corporation of America) 6,491,554   Watercraft with steerable planing surface (Assignee: Bombardier Motor Corporation of America) 6,592,721   Apparatus for dewatering a suction papermaking roll (Assignee: International Paper Company) 6,634,384   One-way valve for use with vacuum pump (Assignee: Illinois Tool Works Inc.) 6,812,585   Fuel cutoff system for engine-driven generator (Assignee: Illinois Tool Works Inc.) 6,924,461   Gas diffuser for head tube assembly of welding gun (Assignee: Illinois Tool Works Inc.) 7,025,841   Ultrasonic apparatus with non-rotating horn and rotating anvil for welding plastic parts (Assignee: Illinois Tool Works Inc.) 7,176,404   System for quick disconnect of torch from power and gas supply unit (Assignee: Illinois Tool Works Inc.) 8,746,616   Mid-wing multi-deck airplane (Assignee: The Boeing Company) 9,322,685   Mems-based conformal air speed sensor (Assignee: The Boeing Company) 9,410,659   Automated mobile boom system for crawling robots (Assignee: The Boeing Company) 9,950,813   Non-destructive inspection of airfoil-shaped body using self-propelling articulated robot (Assignee: The Boeing Company) 10,525,638   Heater system for fiber placement machine (Assignee: The Boeing Company) 11,128,086   Apparatus for contact insertion and retention testing (Assignee: The Boeing Company) 9,009,871   Protective headwear (Assignee: Aaron Shasha)