Inventor · Reading, MA, US

Peter M. MacDonald

19Patents
12h-index
8Co-inventors
71Inventor score

Filing activity: Jul 21, 1988 → Jun 29, 2022

Most-cited inventions

PatentTitleAreaCited byStatus
US6123154A Support system attachment mechanism for fire protection sprinklers Human Necessities 69 Expired
US6488097B1 Fire protection sprinkler head support Human Necessities 59 Expired
US6119784A Support system for fire protection sprinklers Human Necessities 59 Expired
US6752218B2 Fire protection sprinkler head support Human Necessities 50 Expired
US8413734B2 Clamp for sprinkler support assembly Emerging Cross-Sectional Technologies 41 Active
US7032680B2 Fire protection sprinkler head support Human Necessities 34 Expired
US8272615B2 Hub with locking mechanism Emerging Cross-Sectional Technologies 30 Active
US6907938B2 Decorative support panel Human Necessities 26 Expired
US6691790B1 Fire-suppression sprinkler system and method for installation and retrofit Human Necessities 24 Expired
US8740158B2 Hat channel adaptor for sprinkler support assembly Emerging Cross-Sectional Technologies 19 Active
US7296634B2 Decorative support panel Human Necessities 18 Expired
US8851196B2 Clamp for sprinkler support assembly Emerging Cross-Sectional Technologies 14 Active
US6076608A Fire-suppression sprinkler system and method for installation and retrofit Human Necessities 12 Expired
US8678330B2 Hub with locking mechanism Emerging Cross-Sectional Technologies 10 Active
US4831677A Sponge mop Human Necessities 7 Expired
US10728187B2 System and method for processing messages with organization and personal interaction controls Electricity 6 Active
US9339674B2 Hat channel adaptor for sprinkler support assembly Emerging Cross-Sectional Technologies 3 Active
US11418464B2 System and method for processing messages between organizations Electricity 1 Active
US11757811B2 System and method for processing user messages among organizations Electricity 0 Active

Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.