ERHARDT + LEIMER GMBH

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
B65H HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES673
 
  
 
B23Q DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING 337
 
  
 
G01N INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES 2204
 
  
 
G01V GEOPHYSICS; GRAVITATIONAL MEASUREMENTS; DETECTING MASSES OR OBJECTS; TAGS 278
 
  
 
D06C FINISHING, DRESSING, TENTERING, OR STRETCHING TEXTILE FABRICS 111
 
  
 
D06H MARKING, INSPECTING, SEAMING, OR SEVERING TEXTILE MATERIALS 14
 
  
 
F16H GEARING199
 
  
 
G05D SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES 183

Top Patents (by citation)

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
7151715 Method and apparatus for detecting the position of the edge of a moving product webAug 13, 04Dec 19, 06[G01N]
7059984 Device and method for regulating the tension of a running webJun 05, 04Jun 13, 06[F16H]
6757064 Device for optically scanning a moving web of material and method for adjusting said deviceApr 11, 02Jun 29, 04[G01N]
6717168 Device for detecting the marginal edge and marking of a moving web of materialMay 08, 01Apr 06, 04[G01V]
6550656 Device for spreading, compressing and guiding a running material webMar 23, 01Apr 22, 03[D06H, B65H]
6450381 Device and method for guiding a transversely stable material webNov 07, 00Sep 17, 02[B65H]
6348696 Method and device for detecting the position of the edge of a moving material webMay 24, 00Feb 19, 02[G01V]
5921452 Device for pivoting a roller for a moving webDec 23, 97Jul 13, 99[B23Q]
5803334 Ultrasonic edge sensor for the detection of a web edgeJan 05, 96Sep 08, 98[B23Q, B65H]
5663510 Method and device for compensating tension forces across the width of a moving webJan 16, 96Sep 02, 97[B65H]

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Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
6474528 Device for swiveling a rotary frameExpiredMay 09, 01Nov 05, 02[B23Q, B65H]
5575414 Process and device for guiding and keeping a material web spreadExpiredJan 03, 95Nov 19, 96[B65H]
5377891 Process for controlling the force on a moving web of materialExpiredSep 24, 92Jan 03, 95[B65H]
5322990 Apparatus for reading coding on a moving coding carrier, especially a travelling fabric webExpiredJul 22, 92Jun 21, 94[G06K]
5307973 Profiled rod for a web-spreading rollerExpiredJan 29, 91May 03, 94[B65H]
5166532 Edge sensor for a moving strip of materialExpiredApr 16, 91Nov 24, 92[G01V]
5133511 Apparatus for the edge aligned connection of websExpiredSep 21, 90Jul 28, 92[B65H]
5111986 Web-motion controllerExpiredOct 25, 90May 12, 92[B65H]
5021674 Process for determining the location of edges and photoelectronic scanning device for scanning edgesExpiredJan 16, 90Jun 04, 91[G01N]
4949191 System for scanning an image on a moving surfaceExpiredMay 30, 89Aug 14, 90[H04N]
4920622 Apparatus for the spreading the guiding of a web of flexible materialExpiredOct 12, 88May 01, 90[D06C]
4848632 Method for guiding a moving web of materialExpiredMay 04, 87Jul 18, 89[B65H]
4780631 Device for the electronic control and regulation of machinesExpiredAug 19, 87Oct 25, 88[G05B, H05K]
4760626 Guiding and spreading deviceExpiredMar 05, 87Aug 02, 88[D06C]
4760945 Web-position controllerExpiredApr 10, 86Aug 02, 88[B65H]
4758716 Apparatus for evaluating indicia on a moving carrierExpiredMar 03, 86Jul 19, 88[G06K]
4727260 Photoelectric scanner with light-reflector or light barrierExpiredMar 26, 86Feb 23, 88[B65H]
4673803 Method of detecting and evaluating identification codes on continuously moving websExpiredNov 21, 84Jun 16, 87[G06K]
4606486 Tilt-box control systemExpiredOct 26, 83Aug 19, 86[B65H]
4581947 Linear force measurement apparatus or deviceExpiredOct 09, 84Apr 15, 86[G01L]

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