Patent assignee · US · COMPANY

WorkTools, Inc.

93Patents
39Active
93Granted
45Portfolio score

Filing activity: Oct 7, 1991 → May 7, 2024 · 17 expiring within 5 years

Most-cited patents

PatentTitleAreaCited byStatus
US5699949A Heavy duty forward acting stapling machine Performing Operations; Transporting 75 Expired
US6145728A Compact simplified staple gun mechanism Performing Operations; Transporting 71 Expired
US5664722A Forward acting, forward grip, staple machine Performing Operations; Transporting 64 Expired
US5988478A Light duty, forward acting stapling machine Performing Operations; Transporting 59 Expired
US5407118A Forward acting, staple machine with passive release Performing Operations; Transporting 56 Expired
US7290692B2 Stapler safety device to limit motion of striker Performing Operations; Transporting 53 Active
US6918525B2 Spring energized desktop stapler Performing Operations; Transporting 52 Expired
US5165587A Manual staple gun Performing Operations; Transporting 43 Expired
US5511716A Forward acting, staple machine with passive release Performing Operations; Transporting 40 Expired
US5328075A Manual staple gun Performing Operations; Transporting 38 Expired
US6355892B1 One piece power tool trigger with lock and return spring Electricity 37 Expired
US5622090A Scalloped interior socket tool Emerging Cross-Sectional Technologies 33 Expired
US6386530B1 Quick action clamp Performing Operations; Transporting 33 Expired
US6131788A Built-in extendible staple gun wire guide Performing Operations; Transporting 32 Expired
US6929253B2 Quick action bar clamp with improved stiffness and release button Performing Operations; Transporting 29 Expired
USD384258S Heavy duty forward acting stapling machine General 28 Expired
US5791209A Self-forming socket Emerging Cross-Sectional Technologies 27 Expired
US7124924B2 Desktop stapler striker/anvil alignment system Performing Operations; Transporting 26 Expired
USD384257S Light duty forward acting stapling machine General 25 Expired
US7124922B2 Stapler safety guard Performing Operations; Transporting 24 Expired
US5724700A Low profile, flat spring windshield wiper assembly Performing Operations; Transporting 22 Expired
US7299960B1 Mini desktop stapler Performing Operations; Transporting 22 Active
US6454147B1 Personal tool carrying device Emerging Cross-Sectional Technologies 21 Expired
US7118019B2 Jam resistant staple holding track for staplers Performing Operations; Transporting 20 Expired
US7178709B2 Spring energized desktop stapler Performing Operations; Transporting 19 Expired

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