Inventor · Seattle, WA, US

Walter D. Pullen

5Patents
4h-index
11Co-inventors
46Inventor score

Filing activity: Nov 27, 2002 → Jul 13, 2010

Most-cited inventions

PatentTitleAreaCited byStatus
US7308648B1 Method, system, and computer-readable medium for filtering harmful HTML in an electronic document Physics 71 Expired
US7191186B1 Method and computer-readable medium for importing and exporting hierarchically structured data Emerging Cross-Sectional Technologies 33 Expired
US7760903B2 Tamper-resistant text stream watermarking Physics 6 Active
US7894630B2 Tamper-resistant text stream watermarking Physics 5 Active
US7797742B2 File blocking mitigation Physics 2 Active

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