Citing in text
e.g. New research on ring pulls (Mavin and Stevenson 2007) indicates…
Reference at the end of work
Originator/s., (name of applicant/s), Year of publication. Title of patent. Series number and designation which may include full date.
Mavin, G. and Stevenson, T., (Portola Packaging Limited), 2007. Container closure in combination with a ring pull insert. UK patent application 2428669 A. 2007-02-07.