Inventor · Worthington, MN, US

Robert B. Ludlow

24Patents
6h-index
10Co-inventors
66Inventor score

Filing activity: Mar 13, 1996 → Jan 17, 2022

Most-cited inventions

PatentTitleAreaCited byStatus
US5697177A Locking tag for banded merchandise Physics 89 Expired
US5617656A Slotted orifice locking tag for banded merchandise Physics 45 Expired
USD532049S1 Merchandise tagging article General 33 Expired
US7836622B1 Foldable tag with expandable loop Emerging Cross-Sectional Technologies 31 Active
US7281345B2 Merchandise labeling Emerging Cross-Sectional Technologies 31 Expired
US8635795B2 Separable composite labeling articles in sheet or roll form Emerging Cross-Sectional Technologies 7 Active
US8011127B2 Merchandise labeling Emerging Cross-Sectional Technologies 6 Active
US9676536B2 Hang tab and product tag assembly, and method of use Performing Operations; Transporting 6 Active
US8631599B2 Merchandise labeling Emerging Cross-Sectional Technologies 2 Active
US7640687B2 Merchandise labeling Emerging Cross-Sectional Technologies 2 Active
US10019915B2 Merchandise labeling Emerging Cross-Sectional Technologies 2 Active
US8438766B2 Merchandise labeling Emerging Cross-Sectional Technologies 2 Active
US8316566B2 Separable composite labeling articles in sheet or roll form Emerging Cross-Sectional Technologies 1 Active
US10741102B2 Separable composite articles in sheet or roll form Emerging Cross-Sectional Technologies 1 Active
US9105205B2 Merchandise labeling Emerging Cross-Sectional Technologies 1 Active
US10431125B2 Separable composite labeling articles in sheet or roll form Emerging Cross-Sectional Technologies 1 Active
US9576509B2 Merchandise labeling Emerging Cross-Sectional Technologies 1 Active
US11257400B2 Separable composite articles in sheet or roll form Emerging Cross-Sectional Technologies 0 Active
US11769428B2 Separable composite articles in sheet or roll form Emerging Cross-Sectional Technologies 0 Active
US10486877B2 Hang tab and product tag assembly, and method of use Performing Operations; Transporting 0 Active
US11756454B2 Sheet-like article Emerging Cross-Sectional Technologies 0 Active
US11244581B2 Sheet-like article Emerging Cross-Sectional Technologies 0 Active
US10650707B2 Merchandise labeling Emerging Cross-Sectional Technologies 0 Active
US10124945B2 Hang tab and product tag assembly, and method use Performing Operations; Transporting 0 Active

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