Berthold Kalkus — 3 Patents at Unknown

Berthold Kalkus has been granted 3 US patents while listed as an inventor at Unknown. The first was granted in 1995 and the most recent in October 2025. Berthold Kalkus ranks #1,328,092 of 4,157,543 US inventors in our database (top 31.9%). Patent records list Berthold Kalkus in Rockenberg, DE.

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #	Title	Co-Inventors	Date
12444874	Electrical connector installation element with motorized closure mechanism	Michael Konrad	2025-10-14
11973290	Installation element for socket elements	Hans-Peter Frank	2024-04-30
5382171	Electric socket especially for motor vehicles	Dieter Hofmann	1995-01-17

Berthold Kalkus — 3 Patents

Issued Patents All Time

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