Patent assignee · US · COMPANY

Scepter Manufacturing, LLC.

72Patents
10Active
72Granted
43Portfolio score

Filing activity: Dec 8, 1975 → May 6, 2018

Most-cited patents

PatentTitleAreaCited byStatus
USD280329S Welding machine General 114 Expired
US6130519A Portable battery charger including auto-polarity switch Electricity 113 Expired
US4928841A Bottle tray Performing Operations; Transporting 103 Expired
USD275292S Welding machine General 103 Expired
US4836580A Conduit connector Electricity 91 Expired
US6225596A Portable welding unit Performing Operations; Transporting 83 Expired
US4040517A Stacking case Performing Operations; Transporting 63 Expired
USD416030S Portable welder General 57 Expired
US5965998A Automatic polarity and condition sensing battery charger Emerging Cross-Sectional Technologies 57 Expired
US5208441A Plasma arc ignition system Electricity 54 Expired
US5077513A Portable battery power source Emerging Cross-Sectional Technologies 54 Expired
US6046664A Welding power supply transformer apparatus and method Performing Operations; Transporting 48 Expired
USRE37482E Portable power supply General 48 Expired
USD275142S Bottle case General 47 Expired
US5993983A Portable power supply using hybrid battery technology Emerging Cross-Sectional Technologies 43 Expired
US4940877A Parts in place torch structure Electricity 42 Expired
US4896016A Plasma arc metal cutting apparatus with actuation spring Electricity 41 Expired
US4597503A Unitary molded citrus crate Emerging Cross-Sectional Technologies 41 Expired
USD382885S Console for refrigerant recycling General 35 Expired
USD346113S Gasoline container General 33 Expired
US4221370A Obstetric chair Human Necessities 30 Expired
USD340640S Gasoline container General 28 Expired
US6244055A Refrigerant recovery and recycling system Mechanical Engineering; Lighting; Heating 28 Expired
USD327468S Portable, battery, power source General 26 Expired
US5564758A Angled plates for connecting ducts Mechanical Engineering; Lighting; Heating 26 Expired

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