MS

Michael L. Sienkowski

HL Henkel Limited: 5 patents #112 of 861Top 15%
HK Henkel Ag & Co. Kgaa: 4 patents #359 of 2,331Top 20%
HA Henkel Kommanditgesellschaft Auf Aktien: 2 patents #608 of 1,846Top 35%
📍 Warren, MI: #53 of 910 inventorsTop 6%
🗺 Michigan: #8,484 of 86,293 inventorsTop 10%
Overall (All Time): #459,565 of 4,157,543Top 15%
11
Patents All Time

Issued Patents All Time

Showing 1–11 of 11 patents

Patent #TitleCo-InventorsDate
10094026 Metal pretreatment composition containing zirconium, copper, and metal chelating agents and related coatings on metal substrates Donald Robb Vonk, Edis Kapic 2018-10-09
9580813 Metal pretreatment composition containing zirconium, copper, and metal chelating agents and related coatings on metal substrates Donald Robb Vonk, Edis Kapic 2017-02-28
9284460 Metal pretreatment composition containing zirconium, copper, and metal chelating agents and related coatings on metal substrates Donald Robb Vonk, Edis Kapic 2016-03-15
9163315 Pretreatment process for aluminum and high etch cleaner used therein Edis Kapic, Bruce H. Goodreau, Sophie Cornen 2015-10-20
6720032 Pretreatment before painting of composite metal structures containing aluminum portions Peter Kuhm, Gerald J. Cormier, Matthias Hamacher, Jurgen Geke, Volkhard Enke +2 more 2004-04-13
6620263 Zinc phosphating process and composition with reduced pollution potential 2003-09-16
6368426 Zinc phosphate conversion coating and process Gerald J. Cormier 2002-04-09
6019858 Zinc phosphate conversion coating and process Gerald J. Cormier 2000-02-01
5900073 Sludge reducing zinc phosphating process and composition Michael Petschel 1999-05-04
5885373 Chromium free, low organic content post-rinse for conversion coatings 1999-03-23
5261973 Zinc phosphate conversion coating and process Gerald J. Cormier 1993-11-16