Inventor
MARIN ROBERT A
US7 patents
Patents
7 patentsUS5245897ASep 21, 1993
System and method for advancing the leading edge of a corrugated web
DU PONT53 citations89
US5340429AAug 23, 1994
Apparatus and process for stacking sheets of half-cell structure to make a honeycomb core
DU PONT5 citations72
US5296280AMar 22, 1994
Process for making a honeycomb core from a honeycomb half-cell structure and honeycomb core made thereby
DU PONT18 citations72
US5106560AApr 21, 1992
Producing para-aramid pulp by means of gravity-induced shear forces
DU PONT9 citations69
US4441660AApr 10, 1984
Apparatus for automatically doffing yarn packages and donning empty bobbins on a winder
DU PONT19 citations66
US5324465AJun 28, 1994
Apparatus and process for cutting a honeycomb half-cell structure into sheets
DU PONT4 citations61
US5616204AApr 1, 1997
Transfer head for holding half-cell structure
DU PONT3 citations60