HEIN LEHMANN AG has a total of 349 patent applications. Its first patent ever was published in 1949. It filed its patents most often in Germany, United Kingdom and United States. Its main competitors in its focus markets chemical engineering, machines and machine tools are HEIN LEHMANN TRENN FOERDER, RUMPF HANS PROF DR ING and CHENGDU WEST PETROLEUM EQUIPMENT CO LTD.
# | Country | Total Patents | |
---|---|---|---|
#1 | Germany | 137 | |
#2 | United Kingdom | 31 | |
#3 | United States | 26 | |
#4 | EPO (European Patent Office) | 23 | |
#5 | South Africa | 20 | |
#6 | Japan | 16 | |
#7 | Australia | 13 | |
#8 | India | 13 | |
#9 | France | 12 | |
#10 | Brazil | 11 | |
#11 | Austria | 9 | |
#12 | Belgium | 6 | |
#13 | Spain | 6 | |
#14 | Italy | 6 | |
#15 | Switzerland | 3 | |
#16 | Sweden | 3 | |
#17 | Yugoslavia (Serbia and Montenegro) | 3 | |
#18 | Denmark | 2 | |
#19 | Netherlands | 2 | |
#20 | Canada | 1 | |
#21 | Cuba | 1 | |
#22 | German Democratic Republic | 1 | |
#23 | Kenya | 1 | |
#24 | Malaysia | 1 | |
#25 | Norway | 1 | |
#26 | WIPO (World Intellectual Property Organization) | 1 |
# | Industry | |
---|---|---|
#1 | Chemical engineering | |
#2 | Machines | |
#3 | Machine tools | |
#4 | Civil engineering | |
#5 | Transport |
# | Name | Total Patents |
---|---|---|
#1 | Hoppe Kurt | 39 |
#2 | Schmidt Gerhard | 31 |
#3 | Lehmann Wolfgang | 22 |
#4 | Neukam Christian | 20 |
#5 | Schmidt Heinrich | 13 |
#6 | Lummerich Hans | 11 |
#7 | Schmidt Heinrich Dipl Ing | 11 |
#8 | Schmidt Dipl-Ing Heinrich | 10 |
#9 | Trojan Guenter | 10 |
#10 | Trojan G | 7 |
Publication | Filing date | Title |
---|---|---|
DE3823896A1 | SCREENING MACHINE | |
DE3823192A1 | CANOPY FILTER | |
DE3811641A1 | Screen mat consisting of fabric | |
DE3800812A1 | Screen lining of a screening machine | |
DE3621902A1 | Screening machine | |
WO8606659A1 | Method and device for screening particulate materials | |
EP0236530A1 | Screen bottom | |
DE3606854A1 | Screen lining with two screen plates arranged one above the other | |
DE3526767A1 | SEALING FOR A SCREENING MACHINE | |
DE3524895C1 | Screening machine | |
DE3521753A1 | SCREENING MACHINE WITH A SCREEN COVER FIXED TO CROSS-ELEMENTS | |
DE3520420A1 | Method for constructing a bridge vault | |
DE3515891A1 | SCREEN DEVICE | |
DE3515937A1 | SCREENING FOR A SCREENING MACHINE | |
DE3512490A1 | METHOD FOR PRODUCING PLASTIC SCREEN ELEMENTS | |
DE3434296A1 | Device for supporting a bridge during displacement | |
DE3425485A1 | SCREENING | |
DE3412174A1 | DRUM SCREENING MACHINE | |
DE3405752A1 | CONTINUOUSLY WORKING CENTERS | |
DE3326481C1 | Screening machine |