ELK CORPORATION OF DALLAS

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
A61L METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION, OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS, OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS, OR SURGICAL ARTICLES 665
 
  
 
G06F ELECTRIC DIGITAL DATA PROCESSING 3444
 
  
 
B01L CHEMICAL OR PHYSICAL LABORATORY APPARATUS FOR GENERAL USE 157
 
  
 
B32B LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM1156
 
  
 
B41M PRINTING, DUPLICATING, MARKING, OR COPYING PROCESSES; COLOUR PRINTING 148
 
  
 
B44C PRODUCING DECORATIVE EFFECTS 133
 
  
 
C01B NON-METALLIC ELEMENTS; COMPOUNDS THEREOF178
 
  
 
C25B ELECTROLYTIC OR ELECTROPHORETIC PROCESSES FOR THE PRODUCTION OF COMPOUNDS OR NON- METALS; APPARATUS THEREFOR 134
 
  
 
F26B DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM 129
 
  
 
G01N INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES 1205

Top Patents (by citation)

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Recent Publications

Publication # Title Filing Date Pub Date Intl Class
2017/0120,668 REAR CASE FOR ELECTRONIC DEVICEApr 01, 15May 04, 17[B41M, B44C]
2017/0075,386 FILM MEMBER FOR ELECTRONIC DEVICEMar 12, 15Mar 16, 17[G06F]

Recent Patents

Patent # Title Filing Date Issue Date Intl Class
9463259 Sterilizing apparatus and sterilizing methodOct 04, 12Oct 11, 16[A61L]
9320819 Sterilization apparatus and methodOct 04, 12Apr 26, 16[G05B, A61L]
9173968 Sterilization apparatus and sterilization methodOct 04, 12Nov 03, 15[A61L]
9044748 CartridgeOct 04, 12Jun 02, 15[G01N, B01L, A61L]
8894926 Sterilization apparatus and sterilization methodOct 04, 12Nov 25, 14[C01B, C25B, F26B, A61L]
8815172 Installation apparatus and sterilizing apparatus and methodOct 04, 12Aug 26, 14[A61L]
8012415 Sterilization method and plasma sterilization apparatusJan 11, 07Sep 06, 11[B01J, A61L]
7981819 Fire resistant mattress fabric material and mattressDec 20, 04Jul 19, 11[B27N, B32B]
7482747 Flexible EL deviceMar 14, 05Jan 27, 09[H05B]
7411143 Flexible EL dome sheet and flexible EL dome sheet keypad using the sameMar 14, 05Aug 12, 08[H01H]

Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
2002/0060,731 Dry gray-scale image processorAbandonedAug 08, 01May 23, 02[B41J, G03C]
2002/0011,043 AESTHETIC, SELF-ALIGNING SHINGLE FOR HIP, RIDGE, OR RAKE PORTION OF A ROOFAbandonedFeb 19, 99Jan 31, 02[E04B, E04D, E04H]
6199338 Universal starter shingleExpiredAug 10, 99Mar 13, 01[E04D]
D344144 Laminated shingleExpiredSep 18, 91Feb 08, 94[]

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