Patent Leaderboard

USPTO Patent Rankings Data through Dec 31, 2025

Search Companies Inventors Cities States

Home › Ceramic beads for heaters

Ceramic beads for heaters

US Patent 4320253 · Granted Mar 16, 1982

Assignee

No assignee recorded.

Inventors

Unknown

View full patent text on Google Patents →

More Patents by These Inventors

Method and system of measuring brain oxygenation using deoxyhemoglobin contrast2025

System and method for determining arterial input function based on susceptibilit2025

Construction pan assembly2018

Photovoltaic solar power generation system with sealed evaporative cooling2012

Nail polish drying method1995

Flexible heating elements1981

Data from USPTO via PatentsView — © 2026 Patent Leaderboard

Last updated: Dec 31, 2025 · Updated quarterly