Ralf Bertram — 3 Patents at IBM

Ralf Bertram has been granted 3 US patents while listed as an inventor at IBM. The first was granted in 1990 and the most recent in October 2021. Ralf Bertram ranks #1,328,092 of 4,157,543 US inventors in our database (top 31.9%). Patent records list Ralf Bertram in Jever, DE.

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #	Title	Co-Inventors	Date	Approx Value ⓘ
11157984	System and method for item recommendations	Gerhard Schrimpf, Hermann Stamm-Wilbrandt	2021-10-26	$2,874,000
8700448	System and method for item recommendations	Gerhard Schrimpf, Hermann Stamm-Wilbrandt	2014-04-15	$9,702,000
4935836	Guard circuit for the protection of capacitive loads	Juergen Labbus	1990-06-19

Ralf Bertram — 3 Patents

Issued Patents All Time

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