Inventor · Baldwin, MI, US

Steven C. Walker

13Patents
11h-index
7Co-inventors
57Inventor score

Filing activity: Sep 3, 1999 → Sep 17, 2003

Most-cited inventions

PatentTitleAreaCited byStatus
US6256524A Pulse oximeter sensor combined with a combination oropharyngeal airway and bite block Human Necessities 128 Expired
US6263223A Method for monitoring arterial oxygen saturation Human Necessities 123 Expired
US6144867A Self-piercing pulse oximeter sensor assembly Human Necessities 123 Expired
US6253098A Disposable pulse oximeter assembly and protective cover therefor Human Necessities 120 Expired
US6470200B2 Pacifier pulse oximeter sensor Human Necessities 118 Expired
US6266547A Nasopharyngeal airway with reflectance pulse oximeter sensor Human Necessities 103 Expired
US6981969B2 Orthogonal Arterial Catheter Human Necessities 38 Expired
US6565054B2 Syringe holder attachment for medication Human Necessities 29 Expired
US6755191B2 Securing device for an endotracheal tube Emerging Cross-Sectional Technologies 21 Expired
US6533761B2 Catheter securing device and bite block Emerging Cross-Sectional Technologies 20 Expired
US6890322B2 Catheter securing device Emerging Cross-Sectional Technologies 12 Expired
US6610045B2 Orthogonal arterial catheter Human Necessities 10 Expired
US7149562B2 Needle with fiberoptic capability Human Necessities 6 Expired

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