Inventor · Leechburg, PA, US

John R. Starr

15Patents
12h-index
19Co-inventors
75Inventor score

Filing activity: Oct 13, 1992 → Jan 27, 2017

Most-cited inventions

PatentTitleAreaCited byStatus
US5724965A Nasal mask Human Necessities 684 Expired
US5441046A Quick release mechanism for nasal and/or oral gas delivery mask Human Necessities 402 Expired
US5540223A Respiratory mask facial seal Human Necessities 355 Expired
US5647355A Automatic safety valve for respiratory equipment which is counter-balanced and self-adjusting Human Necessities 282 Expired
US5438981A Automatic safety valve and diffuser for nasal and/or oral gas delivery mask Human Necessities 275 Expired
USD377089S Respiratory mask facial seal General 230 Expired
US5878743A Pressure sensitive flow control valve Human Necessities 92 Expired
USD403652S Truck box cap exterior surface General 40 Expired
USD383432S Truck box cap exterior surface General 39 Expired
USD373979S Pick-up truck body exterior surface General 32 Expired
USD418086S Sport utility vehicle body General 16 Expired
USD365783S Vehicle body General 15 Expired
USD382847S Vehicle wheel front face segment General 9 Expired
US11320079B2 Modular configurable wellsite surface equipment Mechanical Engineering; Lighting; Heating 5 Active
USD350522S Vehicle mirror base General 0 Expired

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