This inventor holds 5 USPTO granted patents and 2 published patent applications. Top assignees: Ideations Design, Inc., Other. Active years: 1990-2015.
Company Filing History:
1 out of 1 
4 out of 834,453 Years Active: 1990-2015
Title: Innovations of David A Hancock
Introduction
David A Hancock is an accomplished inventor based in Seattle, WA (US). He holds a total of 5 patents that showcase his innovative contributions to technology, particularly in the field of underwater signaling devices. His work reflects a commitment to enhancing safety and communication for scuba divers.
Latest Patents
One of Hancock's notable inventions is the "Pneumatic signaling device for scuba divers." This audible alarm device features a coupling assembly, a chamber assembly, and an air horn assembly that are releasably separable. The design allows for pressurized air to drive a bi-stable piston into contact with a percussion diaphragm, producing an audible sound beneath the water's surface. An exhaust passage enables air to escape to the surrounding environment. When the diver adjusts the assembly, the device can produce an audible sound above the water surface as well.
Another significant invention is the "Pneumatic signaling device for divers," which is a versatile, pneumatic-powered signaling device. It includes a first component for transmitting signals above water and a second component for signals beneath the water. The device features a pneumatic air horn and a diaphragm and piston mechanism. A button actuator creates a flow passageway from a source of compressed air, allowing the user to select whether the signal is transmitted above or below the water.
Career Highlights
Throughout his career, David A Hancock has worked with various companies, including Ideations Design, Inc. His innovative spirit and technical expertise have led to the development of practical solutions for underwater communication.
Collaborations
Hancock has collaborated with notable individuals in his field, including James T Dexter and Barry A Kornett. Their combined efforts have contributed to the advancement of technology in underwater signaling.
Conclusion
David A Hancock's contributions to the field of underwater signaling devices demonstrate his innovative mindset and dedication to improving safety for divers. His patents reflect a blend of creativity and practicality that continues to influence the industry.