Patent assignee · US · COMPANY

Universal Manufacturing Co.

🏢 View company profile →
31Patents
0Active
31Granted
34Portfolio score

Filing activity: Jan 21, 1972 → Aug 3, 2001

Most-cited patents

PatentTitleAreaCited byStatus
US4775337A Conductive wire with integral electrical terminal Electricity 101 Expired
US5671921A Seal card game with multiple advanced level contestants Emerging Cross-Sectional Technologies 32 Expired
USD270246S Shaped plug General 24 Expired
US4725009A Toroidal coil winding machine for tape or heavy wire Emerging Cross-Sectional Technologies 19 Expired
US5931468A Game material set and play method with money-match bonus level qualifier Emerging Cross-Sectional Technologies 18 Expired
US4716343A Constant illumination, remotely dimmable electronic ballast Emerging Cross-Sectional Technologies 14 Expired
US4636763A Bobbin with strain relief Emerging Cross-Sectional Technologies 11 Expired
US4766406A Fluorescent ballast assembly Emerging Cross-Sectional Technologies 11 Expired
US4256268A Coil winding machine to wind saddle-shaped coils Electricity 9 Expired
US5921547A Game ticket assembly with printed band Emerging Cross-Sectional Technologies 7 Expired
US4146860A Electrical coil assembly Emerging Cross-Sectional Technologies 7 Expired
US4590453A Autotransformer with common winding having oppositely wound sections Electricity 6 Expired
US4048606A Inductive device with bobbin Emerging Cross-Sectional Technologies 5 Expired
US3930364A Bracelet primarily for a watch Human Necessities 5 Expired
US4013212A Soldering method Emerging Cross-Sectional Technologies 5 Expired
US4469285A Coil winding machine with multi-axis positioning for winding television deflection coils Electricity 5 Expired
US4003112A Automatic capacitor winding machine and method Emerging Cross-Sectional Technologies 5 Expired
US4184103A Gas discharge lamp ballast with equally spaced windings Emerging Cross-Sectional Technologies 4 Expired
US4443829A Capacitor with integral discharge resistor and method of manufacture Emerging Cross-Sectional Technologies 3 Expired
US4966337A Multi-spindle machine for winding wire on bobbins Emerging Cross-Sectional Technologies 3 Expired
US4097987A Method of manufacturing an inductive coil Emerging Cross-Sectional Technologies 2 Expired
US4667281A Speed-up circuit for switched power transistor Electricity 2 Expired
US4768726A Toroidal coil winding machine to wind a toroidal core having a small opening Emerging Cross-Sectional Technologies 1 Expired
USRE38666E1 Game material set and play method with money-match bonus level qualifier General 1 Expired
US4021000A Automatic capacitor winding machine Emerging Cross-Sectional Technologies 1 Expired

Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.