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SCHWARZKOPF DEV CO

Overview
  • Total Patents
    76
About

SCHWARZKOPF DEV CO has a total of 76 patent applications. Its first patent ever was published in 1951. It filed its patents most often in United States, Canada and Brazil. Its main competitors in its focus markets materials and metallurgy, machines and electrical machinery and energy are BREMAT SA, CRYSTALLUME and PLANSEE METALLWERK.

Patent filings in countries

World map showing SCHWARZKOPF DEV COs patent filings in countries

Patent filings per year

Chart showing SCHWARZKOPF DEV COs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Sedlatschek Karl 7
#2 Bildstein Hubert 5
#3 Otte H 4
#4 Schider S 4
#5 Strohmeier Gerolf 4
#6 Schintlmeister Wilfried 4
#7 Otte W 4
#8 Machenschalk Rudolf 4
#9 Kieffer Richard 4
#10 Wiesner O 4

Latest patents

Publication Filing date Title
US4777060A Method for making a composite substrate for electronic semiconductor parts
US4394953A Method of joining individual parts of an X-ray anode, in particular of a rotating anode
BR7908803A Medular nail and process for its production
BR7908804A Metallic device for insertion and extraction of spinal nails
US4101703A Coated cemented carbide elements
US3953177A Cermet materials with metal free surface zones
US3844729A Metals having wear-resistant surfaces and their fabrication
US3689795A Boron-containing rotating x-ray target
US3697798A Rotating x-ray target
US3688368A Milling tools for the machining of gears
US3719854A Tungsten alloy x-ray target
US3621192A Electrically heated chair
US3412194A Glass-melting electrodes for glass-melting furnaces
US3086886A Process of providing oxidizable refractory-metal bodies with a corrosion-resistant surface coating
US2894836A Sintering of shaped cemented metal bodies
US3039000A Radiation shield structures and their production
US2874065A Protection of ferrous metal parts against liquid molten aluminum
US2844845A Die structure for forming powder particles into strand-shaped bodies
US2848315A Process for producing titanium, zirconium, and alloys of titanium and zirconium by reduction of oxides of titanium or zirconium
US2894792A Porous lubricant-impregnated bearings