McGard LLC
90Patents
29Active
90Granted
44Portfolio score
Filing activity: Jan 29, 1976 → Jan 26, 2021 · 4 expiring within 5 years
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6017177A | Multi-tier security fastener | Emerging Cross-Sectional Technologies | 200 | Expired |
| US8674830B2 | Manhole security cover | Emerging Cross-Sectional Technologies | 70 | Active |
| US4480513A | Bolt-lock structure | Mechanical Engineering; Lighting; Heating | 68 | Expired |
| US4723866A | Manhole cover locking bolt construction | Emerging Cross-Sectional Technologies | 55 | Expired |
| US4936336A | Tamperproof construction for hydrant actuating nut | Emerging Cross-Sectional Technologies | 37 | Expired |
| US4726723A | Multi-part locknut construction | Emerging Cross-Sectional Technologies | 35 | Expired |
| US5324149A | Lightweight lug nut | Mechanical Engineering; Lighting; Heating | 33 | Expired |
| US5727590A | Tamper resistant construction for hydrant actuating nut | Emerging Cross-Sectional Technologies | 31 | Expired |
| US4897008A | Anti-tamper nut | Emerging Cross-Sectional Technologies | 29 | Expired |
| US4633896A | Operating nut for fire hydrant | Emerging Cross-Sectional Technologies | 29 | Expired |
| US4618299A | Locknut and key therefor | Emerging Cross-Sectional Technologies | 28 | Expired |
| US5112176A | Shrouded anti-theft locknut | Emerging Cross-Sectional Technologies | 28 | Expired |
| US7445414B1 | High security fastener constructions | Emerging Cross-Sectional Technologies | 27 | Expired |
| US5395196A | Two-piece lug bolt | Emerging Cross-Sectional Technologies | 27 | Expired |
| US5632301A | Tamper resistant construction for hydrant | Emerging Cross-Sectional Technologies | 27 | Expired |
| US4968202A | Decorative and protective cap for locknut | Emerging Cross-Sectional Technologies | 25 | Expired |
| US5791848A | Structure for converting standard drive fastener to security fastener | Emerging Cross-Sectional Technologies | 25 | Expired |
| US5360304A | Fastener construction | Mechanical Engineering; Lighting; Heating | 23 | Expired |
| US4824305A | Decorative and protective cap for locknut | Emerging Cross-Sectional Technologies | 23 | Expired |
| US7704010B2 | Security device for manhole access opening | Fixed Constructions | 22 | Active |
| US5730567A | Anti-tamper fastener | Emerging Cross-Sectional Technologies | 22 | Expired |
| US7798742B2 | Security key tool for manhole access opening security device | Emerging Cross-Sectional Technologies | 21 | Active |
| US6719511B2 | High security fastener constructions | Emerging Cross-Sectional Technologies | 21 | Expired |
| US5722450A | Tamper resistant construction for hydrant | Emerging Cross-Sectional Technologies | 20 | Expired |
| US5071300A | Shrouded jam locknut | Emerging Cross-Sectional Technologies | 20 | Expired |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.