Inventor · Bloomington, MN, US

Armer J. Willenbring

12Patents
7h-index
14Co-inventors
63Inventor score

Filing activity: Apr 11, 1977 → Mar 16, 2001

Most-cited inventions

PatentTitleAreaCited byStatus
US5525304A Apparatus for automated chemical analysis with variable reagents Emerging Cross-Sectional Technologies 63 Expired
US4139978A Automatic photographic print and film packaging mechanism Physics 24 Expired
US4345754A Photographic stacking device Performing Operations; Transporting 19 Expired
US4331260A Slide mounter with slide separator/out-of-slide inhibitor Physics 12 Expired
US6790412B2 Bulk vessel feeder Physics 9 Expired
US4355748A Film advance breakaway mechanism for slide mounter Physics 8 Expired
US4516386A Semi-automatic slide mounter with anti-reverse operating lever Physics 7 Expired
US6825041B2 Method and system for automated immunochemistry analysis Emerging Cross-Sectional Technologies 6 Expired
US7128874B2 Method and system for picking and placing vessels Emerging Cross-Sectional Technologies 4 Expired
US4330978A Photographic film packing apparatus Performing Operations; Transporting 3 Expired
US4280381A Film tray assembly for photographic film cutter Emerging Cross-Sectional Technologies 1 Expired
US4317564A Film tray assembly for photographic film cutter Physics 1 Expired

Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.