Inventor · disambiguated record
William B. Helfman
Also filed as: HELFMAN WILLIAM B
2 granted patents·61 citations·filing 1995–1999
65Inventor score
Technology areasG01N
Files withQUANTUM GROUP INC1
Top patents by PatentIndex Score
2 records- 0166US5733505ANon-regenerating carbon monoxide sensorFiled 1995·Granted Mar 31, 1998·37 cites·10 claims
- 0258US6607700B1Gas diffusion sampling and measurement system for occupational dosimetry and air quality monitoring as exemplified by a carbon monoxide occupational dosimeterQUANTUM GROUP INC·Filed 1999·Granted Aug 19, 2003·24 cites·13 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →