Inventor · disambiguated record
Joseph N. Helf
Also filed as: HELF JOSEPH N
3 granted patents·9 citations·filing 2007–2014
61Inventor score
Technology areasF04C
Top patents by PatentIndex Score
3 records- 0177US8921735B2Portable generator and air compressor mounting arrangementHELF JOSEPH N·Filed 2007·Granted Dec 30, 2014·6 cites·26 claims
- 0264US9000328B2Servicing arrangement for a portable air compressor/generatorHELF JOSEPH N·Filed 2007·Granted Apr 7, 2015·3 cites·25 claims
- 0361US11192200B2Portable generator and air compressor mounting arrangementILLINOIS TOOL WORKS·Filed 2014·Granted Dec 7, 2021·0 cites·18 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →