WILHELMI WERKE GMBH & CO KG has a total of 29 patent applications. Its first patent ever was published in 1986. It filed its patents most often in EPO (European Patent Office), Germany and China. Its main competitors in its focus markets civil engineering, thermal processes and environmental technology are ACOUSTIC CEILING PRODUCTS L L, ODENWALD FASERPLATTEN and MATERIAUX REUNIS.
# | Country | Total Patents | |
---|---|---|---|
#1 | EPO (European Patent Office) | 12 | |
#2 | Germany | 9 | |
#3 | China | 1 | |
#4 | Czechia | 1 | |
#5 | German Democratic Republic | 1 | |
#6 | Denmark | 1 | |
#7 | Japan | 1 | |
#8 | Poland | 1 | |
#9 | United States | 1 | |
#10 | WIPO (World Intellectual Property Organization) | 1 |
# | Industry | |
---|---|---|
#1 | Civil engineering | |
#2 | Thermal processes | |
#3 | Environmental technology | |
#4 | Surface technology and coating | |
#5 | Machines |
# | Name | Total Patents |
---|---|---|
#1 | Schmitt-Raiser Karl August Dip | 6 |
#2 | Schmitt-Raiser Karl-August | 4 |
#3 | Schmitt-Raiser Karl August | 2 |
#4 | Bender Klaus | 2 |
#5 | Feht Friedrich | 2 |
#6 | Fiedler Bernd | 2 |
#7 | Feht Friedrich Dipl-Holzwirt | 2 |
#8 | Nuessle Fritz | 2 |
#9 | Fiedler Bernd Dipl-Ing | 2 |
#10 | Ruhlmann Rene Philippe | 2 |
Publication | Filing date | Title |
---|---|---|
EP0795656A1 | Method for constructing a ceiling covering | |
EP0711881A1 | Sound absorbing structural element | |
DE19522216A1 | Method of manufacturing an acoustic panel and acoustic panel by this method | |
EP0690183A2 | Acoustic ceiling | |
DE19510741A1 | Longitudinal or cross member for a ceiling cladding | |
DE4445185A1 | Method of mfg. ceiling cladding | |
DE4308615A1 | Cassette for a blanket | |
DE4228721A1 | Process for covering a ceiling and covering according to this process | |
EP0465905A1 | Ceiling cladding | |
EP0465904A1 | Ceiling cladding | |
DE3921719A1 | CEILING COVERING | |
DE3831389A1 | FIRE-RESISTANT CEILING PANELING | |
DE3813237A1 | METHOD FOR PRODUCING A PANEL-SHAPED, SOUND-ABSORBING ELEMENT | |
DE3604246C1 | Sound absorbing ceiling |