Inventor · disambiguated record
Mark S. Harkema
Also filed as: HARKEMA MARK S
5 granted patents·1 pending application·119 citations·filing 2003–2008
84Inventor score
Technology areasB65G
Top patents by PatentIndex Score
6 records- 0195US7513356B2Positive displacement sorterDEMATIC CORP·Filed 2008·Granted Apr 7, 2009·26 cites·23 claims
- 0294US7117988B2Positive displacement sorterDEMATIC CORP·Filed 2005·Granted Oct 10, 2006·26 cites·20 claims
- 0393US6860383B2Positive displacement sorterRAPISTAN SYS ADVERTISING CORP·Filed 2003·Granted Mar 1, 2005·38 cites·32 claims
- 0486US7841461B2Roller transport conveyor and methodDEMATIC CORP·Filed 2008·Granted Nov 30, 2010·21 cites·18 claims
- 0558US6935483B2Metal frame sorter with wear stripRAPISTAN SYS ADVERTISING CORP·Filed 2004·Granted Aug 30, 2005·8 cites·26 claims
- 0646US2007007108A1Positive displacement sorterDEMATIC CORP·Filed 2006·Application pending·0 cites
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →