Robert MACHEN — 3 Patents at Conopco

Robert MACHEN has been granted 3 US patents while listed as an inventor at Conopco. The first was granted in 1981 and the most recent in September 2025. Robert MACHEN ranks #1,328,092 of 4,157,543 US inventors in our database (top 31.9%). Patent records list Robert MACHEN in Brimstage, VA, GB.

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #	Title	Co-Inventors	Date	Approx Value ⓘ
12403084	Cleansing composition	Arash Mojaher Moghadam, Joseph Muscat, Robert George Riley, Pierre Starck	2025-09-02
11969495	Sulphate-free and nonionic surfactant-free cleansing composition	Annie Jaye GALPIN, Smita Puntambekar, Robert George Riley, Pierre Starck	2024-04-30	$29,564,000
4305069	Personal smoke and fire detector and warning unit	John E. Thompson	1981-12-08

Robert MACHEN — 3 Patents

Issued Patents All Time

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