Inventor · Helsinki, FI

Markku Haivala

17Patents
2h-index
37Co-inventors
50Inventor score

Filing activity: Oct 15, 2013 → Nov 15, 2023

Most-cited inventions

PatentTitleAreaCited byStatus
US9845224B2 Door arrangement of an elevator Fixed Constructions 8 Active
US10501289B2 Method and arrangement for installing an elevator Performing Operations; Transporting 4 Active
US11155439B2 Elevator energy solution Electricity 1 Active
US10294073B2 Elevator provided with a safety apparatus arrangement, and a safety apparatus Performing Operations; Transporting 1 Active
US10221042B2 Elevator provided with a safety device arrangement Performing Operations; Transporting 1 Active
US9643817B2 Elevator arrangement Performing Operations; Transporting 1 Active
US11731857B2 Movable machine room, elevator arrangement and method for constructing elevator Fixed Constructions 0 Active
US10625982B2 Elevator arrangement with multiple cars in the same shaft Performing Operations; Transporting 0 Active
US11713215B2 Elevator arrangement Emerging Cross-Sectional Technologies 0 Active
US11447370B2 Method for constructing elevator Performing Operations; Transporting 0 Active
US11505427B2 Elevator with a safety arrangement and method for creating a safe working space in the upper part of the elevator shaft Performing Operations; Transporting 0 Active
US10597260B2 Elevator door panel Performing Operations; Transporting 0 Active
US11465877B2 Elevator system accommodating elevator cars having different sizes Performing Operations; Transporting 0 Active
US10035682B2 Apparatus for fixing a hoisting machine of an elevator and a fixing arrangement Performing Operations; Transporting 0 Active
US12162725B2 Method, an arrangement and a transport apparatus for transporting elevator guide rails in a shaft Performing Operations; Transporting 0 Active
US9878880B2 Elevator car Performing Operations; Transporting 0 Active
US12319540B2 Method and an arrangement for aligning elevator guide rails Physics 0 Active

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