BME: Biomedical Engineering

A standard is a set of technical definitions, instructions, rules, guidelines, or characteristics set forth to provide consistent and comparable results

source: American Society of Mechanical Engineering.

A patent is an exclusive right granted for an invention, which is a product or a process that provides, in general, a new way of doing something, or offers a technical solution to a problem. To get a patent, technical information about the invention must be disclosed to the public in a patent application. 

source: https://www.wipo.int/patents/en/