Inventor · disambiguated record
Sigurd Frohlich
Also filed as: FROHLICH SIGURD
10 granted patents·729 citations·filing 1976–2000
93Inventor score
Top patents by PatentIndex Score
10 records- 0195US6108489AFood warning device containing a rechargeable phase change materialPHASE CHANGE LAB INC·Filed 1999·Granted Aug 22, 2000·147 cites·23 claims
- 0295US5884006ARechargeable phase change material unit and food warming deviceFiled 1997·Granted Mar 16, 1999·210 cites·46 claims
- 0393US4471298AApparatus for automatically electrically testing printed circuit boardsCIRDYNE INC·Filed 1981·Granted Sep 11, 1984·120 cites·25 claims
- 0486US6414278B1Pizza warmer and oven systemFiled 2000·Granted Jul 2, 2002·81 cites·11 claims
- 0580US4986870AApparatus for laminating multilayered printed circuit boards having both rigid and flexible portionsR W Q INC·Filed 1985·Granted Jan 22, 1991·48 cites·6 claims
- 0679US5528219ARopeway safety monitoring systemDOPPELMAYR & SOHN·Filed 1994·Granted Jun 18, 1996·50 cites·65 claims
- 0769US4496420AProcess for plasma desmear etching of printed circuit boards and apparatus used thereinBMC IND INC·Filed 1984·Granted Jan 29, 1985·26 cites·19 claims
- 0860US4596624AApparatus for laminating multilayered printed circuit boardsCIRTEL INC·Filed 1984·Granted Jun 24, 1986·22 cites·14 claims
- 0954US4073132AWatch case constructionFROHLICH SIGURD·Filed 1976·Granted Feb 14, 1978·11 cites·8 claims
- 1053US4525644APiezoelectric-enhanced circuit connection meansFROHLICH SIGURD·Filed 1984·Granted Jun 25, 1985·14 cites·5 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →