AERO TRANSPORTATION PRODUCTS, INC.

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
B61D BODY DETAILS OR KINDS OF RAILWAY VEHICLES 258
 
  
 
E04C STRUCTURAL ELEMENTS; BUILDING MATERIALS 224
 
  
 
B65D CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES 197

Top Patents (by citation)

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
9725100 Hatch cover mounted latch for a railcarDec 10, 14Aug 08, 17[B61D]
9358988 Automatic hopper car gate opening and closing systemDec 12, 13Jun 07, 16[B61D]
9073557 Railcar hatch cover assemblyDec 19, 13Jul 07, 15[B61D]
8850991 Hopper car gate assembly with a door having vertically spaced sectionsMar 09, 12Oct 07, 14[B61D]
8371235 Vacuum and gravity discharge hopper car gateDec 20, 10Feb 12, 13[B61D]
7819067 Hopper car gate with a curved doorMar 21, 08Oct 26, 10[B61D]
7814842 Hopper car gate with a laterally opening doorNov 05, 08Oct 19, 10[B61D]
7806057 Hopper car gate with opposed double doorsJul 03, 07Oct 05, 10[B61D]
7752979 Hopper car gate with enlarged discharge and increased capacityOct 04, 07Jul 13, 10[B61D]
7367271 Railway hopper car discharge gateJan 30, 04May 06, 08[B61D]

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Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
2009/0090,268 Hopper car having double-curved side wallsAbandonedOct 04, 07Apr 09, 09[B61D]
5921531 Retractable handrail for railroad carsExpiredMar 19, 97Jul 13, 99[E04H]
5697121 Railroad car hatch cover lockExpiredOct 30, 95Dec 16, 97[E05D]
5272987 Lock for railway hopper car unloading gateExpiredJan 29, 93Dec 28, 93[B61D]
5016395 Boxcar door having balsa core sandwich constructionExpiredApr 21, 89May 21, 91[E06B]
4934562 Cover construction for waste containersExpiredOct 06, 88Jun 19, 90[B65D]
4909154 Aerodynamic end closures for railway hopper carsExpiredFeb 27, 89Mar 20, 90[B61D]
4635979 Latch device for railcar hatch coversExpiredJun 11, 84Jan 13, 87[E05B]

Top Inventors for This Owner

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