Patent assignee · US · COMPANY

Bulldog Tools, Inc.

19Patents
7Active
19Granted
38Portfolio score

Filing activity: Jun 7, 1983 → Jan 29, 2015 · 7 expiring within 5 years

Most-cited patents

PatentTitleAreaCited byStatus
USD462767S1 Slidable and rotatable coupler for a prosthetic leg General 90 Expired
US4980975A Secateurs Performing Operations; Transporting 33 Expired
USD462768S1 Slidable and rotatable coupler for a prosthetic leg General 19 Expired
US6576022B2 Adjustable connector assembly for a prosthetic limb Human Necessities 18 Expired
US4493383A Well clean out tool Fixed Constructions 15 Expired
USD669586S1 Offset rotational prosthetic adaptor General 14 Active
USD663417S1 Offset prosthetic adaptor General 13 Active
USD467159S1 Prosthetic liner support hook General 12 Expired
USD467341S1 Resilient pad for a prosthetic leg socket General 10 Expired
USD477875S1 Slidable and rotatable coupler for a prosthetic leg General 9 Expired
USD723692S1 Offset prosthetic adaptor General 7 Active
USD731062S1 Prosthetic foot General 7 Active
USD493534S1 Adjustable adaptor for a prosthetic leg General 6 Expired
USD462769S1 Rotatable coupler for a prosthetic leg General 6 Expired
USD660986S1 Support arm and hub assembly for a fence post General 4 Expired
USD663418S1 Offset prosthetic adaptor General 3 Active
US5743336A Pump-packing device for down-hole well arrangements Mechanical Engineering; Lighting; Heating 3 Expired
USD746463S1 Offset prosthetic adaptor General 2 Active
US8216657B2 Preform for making a prosthetic limb socket Emerging Cross-Sectional Technologies 0 Active

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