JG

Johannes Didericus De Graaf

Shell Oil Compny: 5 patents #661 of 4,423Top 15%
AN Akzo N.V.: 1 patents #342 of 803Top 45%
GA General Atomics: 1 patents #154 of 350Top 45%
📍 The Hague, NL: #69 of 926 inventorsTop 8%
Overall (All Time): #754,962 of 4,157,543Top 20%
7
Patents All Time

Issued Patents All Time

Showing 1–7 of 7 patents

Patent #TitleCo-InventorsDate
7008460 Process for the production thermally converted light products and electricity Jacobus Henricus Gerardus Beurskens, Anthony Malcolm Rigby 2006-03-07
6886501 Apparatus and process for heating steam Sjoerd Bosch, Franciscus Gerardus Van Dongen 2005-05-03
6840199 Process for heating system Franciscus Gerardus Van Dongen 2005-01-11
6766772 Apparatus for heating steam Franciscus Gerardus Van Dongen 2004-07-27
5068254 Process for the preparation of hydrocarbons Sytze A. Posthuma, Jan Boelen 1991-11-26
4376730 Preparation of p-aminoazo-benzene from aniline 1983-03-15
4330374 Recovery of anhydrous hydrogen iodide Dennis R. O'Keefe, Kenneth H. McCorkle, Jr. 1982-05-18