Patent assignee · US · COMPANY

Watlow Polymer Technologies

14Patents
0Active
14Granted
31Portfolio score

Filing activity: Nov 4, 1998 → Feb 21, 2002

Most-cited patents

PatentTitleAreaCited byStatus
US6434328B1 Fibrous supported polymer encapsulated electrical component Electricity 104 Expired
US6541744B2 Packaging having self-contained heater Emerging Cross-Sectional Technologies 40 Expired
US6433317B1 Molded assembly with heating element captured therein Emerging Cross-Sectional Technologies 39 Expired
US6263158A Fibrous supported polymer encapsulated electrical component Electricity 27 Expired
US6539171B2 Flexible spirally shaped heating element Mechanical Engineering; Lighting; Heating 26 Expired
US6392208B1 Electrofusing of thermoplastic heating elements and elements made thereby Emerging Cross-Sectional Technologies 26 Expired
US6748646B2 Method of manufacturing a molded heating element assembly Emerging Cross-Sectional Technologies 23 Expired
US6519835B1 Method of formable thermoplastic laminate heated element assembly Emerging Cross-Sectional Technologies 22 Expired
US6744978B2 Small diameter low watt density immersion heating element Mechanical Engineering; Lighting; Heating 21 Expired
US6516142B2 Internal heating element for pipes and tubes Mechanical Engineering; Lighting; Heating 20 Expired
US6432344B1 Method of making an improved polymeric immersion heating element with skeletal support and optional heat transfer fins Electricity 14 Expired
US6307180A Heated toilet seat and methods for making same Emerging Cross-Sectional Technologies 9 Expired
US6233398A Heating element suitable for preconditioning print media Electricity 9 Expired
US6188051A Method of manufacturing a sheathed electrical heater assembly Electricity 8 Expired

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