FO

Friedrich Oellerer

Overall (All Time): #91,066 of 4,157,543Top 3%
37
Patents All Time

Issued Patents All Time

Showing 1–25 of 37 patents

Patent #TitleCo-InventorsDate
5993130 Loading car for bulk material Josef Theurer, Manfred Brunninger 1999-11-30
5709270 Ballast suction machine Josef Theurer, Herbert Worgotter 1998-01-20
5611403 Machine for sucking up rail ballast Josef Theurer, Herbert Worgotter 1997-03-18
5575416 Device for aligning and retaining two rails whose ends are to be welded together Heinz Mühlleitner 1996-11-19
5573080 Work car Josef Theurer, Leopold R. Gruber 1996-11-12
5553674 Ballast cleaning machine Josef Theurer, Herbert Worgotter 1996-09-10
5511485 Method and apparatus for stabilizing a subgrade with additives added through the scarifier Ernesto Romani, Livio Abbruzzese, Josef Theurer, Herbert Worgotter 1996-04-30
5456180 Machine for rehabilitating a ballast bed Josef Theurer, Herbert Worgotter 1995-10-10
5456181 Machine for aspirating ballast from a ballast bed Josef Theurer, Herbert Worgotter 1995-10-10
5222435 Track renewal Josef Theurer, Manfred Brunninger 1993-06-29
5203662 Track-bound freight car for bulk material Josef Theurer, Manfred Brunninger 1993-04-20
5151002 Freight car for bulk material Josef Theurer 1992-09-29
5114119 Method for laying a catenary and/or a contact wire of an overhead line Josef Theurer, Leopold R. Gruber 1992-05-19
5094018 Mobile machine for receiving and distributing track ballast Josef Theurer 1992-03-10
5090483 Ballast separating device for ballast cleaning machine Josef Theurer 1992-02-25
5090484 Mobile ballast cleaning machine arrangement Josef Theurer 1992-02-25
5048797 Self-propelled machine and method for laying a catenary and/or a contact wire of an overhead line Josef Theurer, Leopold R. Gruber 1991-09-17
4983801 Rail tensioning apparatus Josef Theurer, Johann Hansmann, Leopold R. Gruber 1991-01-08
4938239 Mobile track bed cleaning machine and method Josef Theurer 1990-07-03
4929816 Electric flash-butt welding machine and method of providing a welded joint between adjacent ends of rail sections Josef Theurer, Leopold R. Gruber 1990-05-29
4911599 Mobile installation for loading, transporting and unloading Josef Theurer, Johann Hansmann 1990-03-27
4884509 Mobile tie gang apparatus Josef Theurer, Johann Hansmann 1989-12-05
4829907 Mobile installation for loading, transporting and unloading as well as exchanging railroad ties Josef Theurer, Johann Hansmann 1989-05-16
4794861 Tie exchange method Josef Theurer, Johann Hansmann 1989-01-03
4703568 Mobile track working machine operator cab arrangement Josef Theurer 1987-11-03