Wilhelmi Werke Aktiengesellschaft
Patent Owner
Stats
- 0 US PATENTS IN FORCE
- 0 US APPLICATIONS PENDING
- Jul 31, 2001 most recent publication
Details
- 0 Issued Patents
- 0 Issued in last 3 years
- 0 Published in last 3 years
- 117 Total Citation Count
- Jun 27, 1990 Earliest Filing
- 6 Expired/Abandoned/Withdrawn Patents
Patent Activity in the Last 10 Years
Technologies
- No Technology to Display
Top Patents (by citation)
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Recent Publications
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Recent Patents
- No Recent Patents to Display
Expired/Abandoned/Withdrawn Patents
Patent #
Title
Status
Filing Date
Issue/Pub Date
Intl Class
6267666 Room air conditioning method and an air-conditioned ceiling for a method of this typeExpiredJan 13, 00Jul 31, 01[F24F]
6061985 Plate-shaped fire-resistant element in a sandwich constructionExpiredFeb 18, 99May 16, 00[E04B, E04C]
6057254 Process for manufacture of an acoustic panel and acoustic panel with sandwich constructionExpiredJul 09, 98May 02, 00[D04H, B32B]
5042570 Ceiling construction having magnetic attachment between heat exchanger elements and ceiling tilesExpiredJun 27, 90Aug 27, 91[F24H, F24D]
Top Inventors for This Owner
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