Patent assignee · CH · COMPANY

Maillefer S.A.

55Patents
9Active
55Granted
39Portfolio score

Filing activity: Oct 22, 1974 → Apr 11, 2019 · 2 expiring within 5 years

Most-cited patents

PatentTitleAreaCited byStatus
US4756339A Hose for drip irrigation and method of producing same Emerging Cross-Sectional Technologies 77 Expired
US4859264A Method and installation for producing hose for drip irrigation Emerging Cross-Sectional Technologies 41 Expired
US4444948A Manufacture of insulated electric conductors Emerging Cross-Sectional Technologies 29 Expired
US9022764B2 System for manufacturing an irrigation pipe and a device and method for detecting holes in the wall of an irrigation pipe Mechanical Engineering; Lighting; Heating 28 Active
US4963222A Installation for manufacture of multi-strand electric cable Emerging Cross-Sectional Technologies 27 Expired
US4837405A Segmented electric cable arrangement Emerging Cross-Sectional Technologies 22 Expired
US9894851B2 Method and system for manufacturing an irrigation pipe Emerging Cross-Sectional Technologies 20 Active
US4165957A Apparatus for manufacturing electric wire having wire-enamel-type insulation Emerging Cross-Sectional Technologies 20 Expired
US4570875A Automatic traversing control Performing Operations; Transporting 19 Expired
US4145474A Method of manufacturing insulated electric wire of the enamelled-wire type by extrusion Emerging Cross-Sectional Technologies 19 Expired
US4543051A Sizing device for extruded plastic tubing Performing Operations; Transporting 17 Expired
US4772435A Method of sheathing a fiber optic Performing Operations; Transporting 14 Expired
US4085461A Screw-type plastics extruder Performing Operations; Transporting 14 Expired
US4171196A Screw-type plastics extruder Performing Operations; Transporting 13 Expired
US4832960A Device for feeding an extrusion head for plastic material Performing Operations; Transporting 13 Expired
US4379102A Method for manufacturing electric wire having wire-enamel-type insulation Emerging Cross-Sectional Technologies 12 Expired
US4838777A Extrusion equipment for coating wire Performing Operations; Transporting 11 Expired
US3945580A Wire-winding machine Performing Operations; Transporting 10 Expired
US4893998A Installation for producing a fiber optic cable component Performing Operations; Transporting 10 Expired
US4781335A Winding machine Performing Operations; Transporting 10 Expired
US4154535A Screw-type plastics extruder Performing Operations; Transporting 8 Expired
US3948462A Cable-winding machine Performing Operations; Transporting 8 Expired
US3952960A Winding machine equipped with a traverse mechanism Performing Operations; Transporting 8 Expired
US4569595A Screw extruder for plastics Performing Operations; Transporting 8 Expired
US4351790A Manufacture of insulated electric conductors Emerging Cross-Sectional Technologies 8 Expired

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