Coronet-Werke Heinrich Schlerf GmbH

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
A46D MANUFACTURE OF BRUSHES113

Top Patents (by citation)

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
5344218 Apparatus for producing bristle bundlesAug 21, 91Sep 06, 94[A46D]

Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
5176427 Bristle treatmentExpiredMar 01, 91Jan 05, 93[A46D]
5045267 Process and apparatus for producing bristle articlesExpiredSep 13, 89Sep 03, 91[B29C]
5011230 Process for the production of brushwareExpiredNov 23, 87Apr 30, 91[A46D]
4987634 Implement for cleaning or treating surfaces or for applying media to surfacesExpiredJun 10, 88Jan 29, 91[A47L]
4958402 Bristle articleExpiredMay 19, 88Sep 25, 90[A46B]
4936633 Process for the production of bristle articles and bristle articles produced by the sameExpiredApr 14, 88Jun 26, 90[A46D]
4893876 Process and apparatus for producing bristle articles and use of the process for implements having a similar constructionExpiredJun 10, 88Jan 16, 90[A46D]
4892698 Method for manufacturing products with bristlesExpiredMar 28, 86Jan 09, 90[B29D]
4874115 Dispenser for pasty or flowable mediaExpiredJul 13, 87Oct 17, 89[B67D]
4849271 Process for producing mats for cleaning purposes and mat for cleaning purposesExpiredDec 03, 87Jul 18, 89[B32B]
4807938 Process for producing bristle articlesExpiredDec 14, 87Feb 28, 89[A46D]
4749233 Method for the manufacture of bristle productsExpiredFeb 21, 86Jun 07, 88[A46D]
4646381 ToothbrushExpiredJun 18, 85Mar 03, 87[A46B]
4637660 Method for connecting bristles to a bristle carrierExpiredJan 30, 85Jan 20, 87[A46D]
4589791 Device having synthetic bristles butt welded to support plateExpiredNov 21, 83May 20, 86[A46B]
4355847 Apparatus for holding and displaying brush bodiesExpiredNov 18, 80Oct 26, 82[B25B, A46D]
4237573 Device for releasably securing a cleaning implement to a handleExpiredJul 10, 79Dec 09, 80[A47L, B25G]

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