We have dealt with patents directed to a wide range of mechanical and electrical devices, and engineering technologies used in industries as diverse as medical devices and instrumentation, manufacturing, oil and gas exploration, and safety equipment, amongst others. Other examples include: tooling, such as drills and picks for boring into rock or asphalt; pumps, including small high performance pumps; sports equipment; fire alarms and extinguishing systems; fastening systems; aerospace technology; and survival equipment.