Inventor · disambiguated record

Freddy Derfler

Also filed as: DERFLER FREDDY

2 granted patents·86 citations·filing 1984–2000

65Inventor score

Technology areasB65H E04H

Files withISRAEL STATE1 MAYTRONICS LTD1

Top patents by PatentIndex Score

2 records

0188US6409916B1Filter element for pool-cleaning deviceMAYTRONICS LTD·Filed 2000·Granted Jun 25, 2002·77 cites·10 claims
0245US4635917AMethod and apparatus for feeding sheets, particularly fabrics from a stackISRAEL STATE·Filed 1984·Granted Jan 13, 1987·9 cites·17 claims

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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →