It looks like you're using Internet Explorer 11 or older. This website works best with modern browsers such as the latest versions of Chrome, Firefox, Safari, and Edge. If you continue with this browser, you may see unexpected results.
Example reference formats for different source types
Format: in text citation
There have been developments in the ways that cleaning heads have been designed (Inventor surname, Year).
Inventor surname, initials. (Year) Title. Authorising organisation. Patent number [online]. Available at: URL [Accessed date].
Example: in text citation
There have been developments in the ways that cleaning heads have been designed (Allard, Dyson & Spaven, 2006).
Allard, R.J.W., Dyson, J. and Spaven, J.W. (2006) A Cleaning Head. UK Patent Office. Patent no. GB2402047B [online]. Available at: https://worldwide.espacenet.com/patent/search/family/009958926/publication/GB2402047B?q=ia%20%3D%20%22allard%22%20AND%20ti%20%3D%20%22a%20cleaning%20head%22 [Accessed 10 December 2019].