PERI AG
74Patents
43Active
74Granted
45Portfolio score
Filing activity: Dec 14, 1989 → Nov 10, 2020 · 19 expiring within 5 years
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5379566A | Adjustable-height post | Fixed Constructions | 33 | Expired |
| US6027276A | Scaffolding node | Emerging Cross-Sectional Technologies | 28 | Expired |
| US7032712B2 | Scaffold with vertical supports and horizontal carriers | Fixed Constructions | 23 | Expired |
| US6554102B2 | Dismountable facade scaffold | Fixed Constructions | 21 | Expired |
| US8708100B2 | Rail-guided climbing system | Fixed Constructions | 20 | Active |
| US6422345B1 | Dismountable facade scaffold | Fixed Constructions | 19 | Expired |
| US8262056B2 | Prop head for ceiling formwork | Fixed Constructions | 19 | Active |
| US5614122A | Ceiling form | Fixed Constructions | 19 | Expired |
| US5630482A | Climbing device, in particular for a climbing scaffold | Fixed Constructions | 18 | Expired |
| US5653415A | Adjustable-height support for shuttering in the building trade | Fixed Constructions | 16 | Expired |
| US5029803A | Device for adapting a formwork element to given radii of a circular formwork | Fixed Constructions | 13 | Expired |
| US8673189B2 | Method for implementing a rail-guided self-climbing formwork system with climbing rail extension pieces | Fixed Constructions | 12 | Active |
| US5713687A | Coupling for connecting scaffolding components | Emerging Cross-Sectional Technologies | 11 | Expired |
| US5000287A | Displaceable platform movable sectionwise on a wall | Fixed Constructions | 11 | Expired |
| US8220772B2 | Anchor rod anchor system of a concrete wall form | Fixed Constructions | 11 | Active |
| US7975803B2 | Dismantlable scaffold and a railing adapter for it | Emerging Cross-Sectional Technologies | 11 | Expired |
| US5683609A | Ceiling mold support | Fixed Constructions | 10 | Expired |
| US5388666A | Support scaffold | Fixed Constructions | 8 | Expired |
| US5060903A | Telescopic shuttering support | Emerging Cross-Sectional Technologies | 7 | Expired |
| US6220392A | Scaffold with vertical and transverse supports | Fixed Constructions | 7 | Expired |
| US8523137B2 | Slab formwork system | Fixed Constructions | 7 | Active |
| US6767154B1 | Turnbuckle device | Emerging Cross-Sectional Technologies | 6 | Expired |
| US6109191A | Formwork table arrangement especially for ceilings and intermediate floors | Fixed Constructions | 6 | Expired |
| US8276874B2 | Ceiling formwork system | Fixed Constructions | 6 | Active |
| US10465398B2 | Climbing device having a climbing rail | Mechanical Engineering; Lighting; Heating | 5 | Active |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.