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"The quattro trademark was assigned an Application Number #013039987 – by the European Union Intellectual Property Office (EUIPO). The current status of the quattro filing is Registered." https://www.trademarkelite.com/europe/trademark/trademark-detail/013039987/quattro The quattro mark is...

To commemorate the success of the original vehicle, all subsequent Audi production automobiles with this four-wheel-drive system were badged with the trademark quattro; quattro ®, (R=Rigistered / eingetragen) with a lower case "q" letter. (wikipedia) Das Wort quattro (ital. für vier) wird...

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Und Ich kenn: https://www.nidaplast.com/sites/default/files/downloads/Composite Brochure.pdf https://www.nidaplast.com/sites/default/files/downloads/COMP_FT_NIDASKIN-POLYESTER_UK_2018.pdf...

Klemperer worked with/for Prandtl , Hugo Junkers, von Karmann , Friedrich Budig/Rumpler, Jaray. etc, etc. , later on he became rocket scientist in the USA , 34 patents..........'dritte Klasse Hauptschule' ? 'CD - Werte nur gewürfelt haben/"gemessen" ? ' ? Dipl. Ing. Klemperer designed his...

'anliegende Strömung kann laminar oder turbulent sein' ; https://dict.leo.org/forum/viewUnsolvedquery.php?idThread=1159497 I don't know. Again, I don't know, but you can see that in practice, at 30-60 ( means low apparent wind) , there is not much 'Laminarität', so does not look very...

That's correct, and it is mentioned before in this forum (AntoineH) : https://www.velomobilforum.de/forum/index.php?threads/aerodynamik-rolltest.32880/page-52 "Langsame VM-Geschwindigkeit bedeutet nicht automatisch laminare Strömung. Bei zu niedrigem Tempo gibt es gar keine gleichmäßig...

"Panasonic Company = one of the world biggest tech conglomerates" Yes, that is very nice but what I tried to say is that Panaracer is not yet very successful with bicycle tires because it's not a typical tire business like Michelin, Schwalbe, Conti . There are no Porsche's or F-1's on...

It is very logical that you wil not read much about Compass, Panaracer etc because its almost not possible that these make very good tyres because they have not the money for R& D like Michelin, Conti, etc. Also keep on your mind that car tyres alse have to be lowrollingsresistance + good...

Hallo Peer, I think this is what you are looking for: ( http://www.bicyclerollingresistance.com By Jarno Bierman) http://www.bicyclerollingresistance.com/tour-reviews/schwalbe-marathon-almotion-2016 Cheers,

Maxi -Hosen (y) (espacenet.com) Patent CH68586 1915 (n) "Die torpedoartige, die Räder des Automobils in sich schließende Gestaltung der Karosserie 4 ergibt eine glatte Außenwandung des Automobils, und es wird dadurch eine sanfte Ablenkung der Luft erzielt. Durch die sanfte...

"Radverkleidung fuer die Lenkraeder, insbesondere stromlinienfoermiger Kraftfahrzeuge ." Patent DE723125 1938/1942 ; = BMW next 100 jahre Vision (!) https://nl.espacenet.com/publicationDetails/biblio?II=0&ND=3&adjacent=true&locale=nl_NL&FT=D&date=19420729&CC=DE&NR=723125C&KC=C# Cheers.

More specifically said and even more funny :whistle:; modern cars use the 1970 Shimano Positron 2 push/pull cable: "Most notable is the Positron II cable which is a rigid wire enclosed in a full length housing and allows the shifter to push and pull the derailleur into position"...

"Für sportliche Fahrer ist sie somit uninteressant." https://fahrradzukunft.de/16/koenigsklasse-der-nabenschaltungen/ https://fahrradzukunft.de/17/wirkungsgradmessungen-an-nabenschaltungen-2/ Cheers

Hallo Leonardi, 1 . There was no normal patent but a GDR patent :""[Rinkowski] secured his research with a GDR economic patent in 1954" http://newsgroups.derkeiler.com/Archive/Rec/rec.bicycles.tech/2006-02/msg03563.html Where are these GDR-patents ? 2. Very Interesting...

Quest = VW Golf

Béla Barényi war kein Ex-Kollegen : "1953 setzte Barényi seine Ansprüche auf die von Ferdinand Porsche angemeldeten Patente vor Gericht durch. Barényi konnte nachweisen, dass er bereits in den 1920er Jahren das Konzept des Käfers detailliert dargelegt, aber nicht ausreichend durch...