P

Inventor

PORTERFIELD RICHARD

US7 patents
⚠️ This page may combine multiple inventors who share the name “PORTERFIELD RICHARD”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

UNIVERSAL INSTRUMENTS CORP

5 patents
US4735341AApr 5, 1988

Feeder for electrical component supply tapes

UNIVERSAL INSTRUMENTS CORP34 citations86
US4769904ASep 13, 1988

Method and apparatus for handling leaded and leadless surface mountable components

UNIVERSAL INSTRUMENTS CORP10 citations69
US4543705AOct 1, 1985

Axial-lead component sequencing and inserting apparatus

UNIVERSAL INSTRUMENTS CORP6 citations61
US4838452AJun 13, 1989

Shutter system for electrical component supply tape feeder

UNIVERSAL INSTRUMENTS CORP6 citations55
US5068509ANov 26, 1991

High frequency thermode driven device employing one-turn-secondary transformers

UNIVERSAL INSTRUMENTS CORP1 citations48

PORTERFIELD RICHARD

1 patent
US10697585B1Jun 30, 2020

Fluid dispensing apparatus for dispensing oil or grease

PORTERFIELD RICHARD3 citations64

CAPITAL FORMATION INC

1 patent
USRE35180EMar 19, 1996

High frequency thermode driven device employing one-turn-secondary transformers

CAPITAL FORMATION INC1 citations48