Marcel Graf — 12 Patents at IBM

Marcel Graf has been granted 12 US patents while listed as an inventor at IBM. The first was granted in 1996 and the most recent in December 2025. Marcel Graf ranks #396,045 of 4,157,543 US inventors in our database (top 9.5%). Patent records list Marcel Graf in Altishofen, CH.

Patents per Year

Issued Patents All Time

Showing 1–12 of 12 patents

Patent #	Title	Co-Inventors	Date	Approx Value ⓘ
12508647	Casting apparatus and casting method for production of metal matrix composite materials	Robert Pippig, Thomas Lampke	2025-12-30
11253124	Safety module for a floor cleaning unit	David M. Knuth, Jr., Stephen D. Herr, Stephen J. Balas, Angelo Sabatino, Andre Baertsch +1 more	2022-02-22
10823322	Fastening device for measuring apparatuses on pipes	Robert Reiz, Juergen ROESCH, Edin HASIFIC	2020-11-03
8140531	Process and method for classifying structured data	Morton Gregory Swimmer, Nevenko Zunic	2012-03-20	$2,170,000
7996856	Processing application data	Daniela Bourges-Waldegg, Yann Duponchel, Achille B. Fokoue-Nkoutche, Michael Moser	2011-08-09	$2,733,000
6788939	Service deployment architecture	Hong Linh Truong, Yann Duponchel	2004-09-07	$9,920,000
6766007	Method, apparatus, and communication system for setting up a communication session	Gabriel Dermler, Claudio Fleiner, Lukas Heusler, Hong Linh Truong	2004-07-20	$7,882,000
6700967	Presence information method and system	Wolfgang B. Kleinöder, Hong Linh Truong, Lucas Heusler, Yann Duponchel, Gabriel Dermler	2004-03-02	$12,738,000
6509925	Conferencing system	Gabriel Dermler, Claudio Fleiner, Lukas Heusler, Hong Linh Truong	2003-01-21	$15,954,000
6397251	File server for multimedia file distribution	—	2002-05-28	$13,038,000
6085221	File server for multimedia file distribution	—	2000-07-04
5494530	Method of and apparatus for testing and cleaning of endoscopes	—	1996-02-27

Marcel Graf — 12 Patents

Patents per Year

Issued Patents All Time

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