M&T HARSHAW
Patent Owner
Stats
- 1 US PATENTS IN FORCE
- 0 US APPLICATIONS PENDING
- May 04, 1993 most recent publication
Details
- 1 Issued Patents
- 0 Issued in last 3 years
- 0 Published in last 3 years
- 527 Total Citation Count
- Apr 07, 1978 Earliest Filing
- 37 Expired/Abandoned/Withdrawn Patents
Patent Activity in the Last 10 Years
Technologies
Intl Class
Technology
Matters
Rank in Class
Top Patents (by citation)
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Recent Publications
- No Recent Publications to Display
Recent Patents
Patent #
Title
Filing Date
Issue Date
Intl Class
5207890 Use of barium chromate as a sulfate scavenger in chromium electroplating bathsJun 13, 91May 04, 93[C25D]
Expired/Abandoned/Withdrawn Patents
Patent #
Title
Status
Filing Date
Issue/Pub Date
Intl Class
4927506 High-performance electrodeposited chromium layers formed at high current efficienciesExpiredSep 14, 89May 22, 90[C25D]
4865700 Plating bath and process for making microporous chromium depositsExpiredAug 03, 88Sep 12, 89[C25D]
4836897 Baths and process for electroplating hard,adherent,smooth, wear resistant and corrosion resistant chromium depositsExpiredSep 01, 88Jun 06, 89[C25D]
4810336 Electroplating bath and process for depositing functional, at high efficiencies, chromium which is bright and smoothExpiredJun 21, 88Mar 07, 89[C25D]
4810337 Method of treating a chromium electroplating bath which contains an alkyl sulfonic acid to prevent heavy lead dioxide scale build-up on lead or lead alloy anodes used thereinExpiredApr 12, 88Mar 07, 89[C25D]
4786378 Chromium electroplating baths having reduced weight loss of lead and lead alloy anodesExpiredSep 01, 87Nov 22, 88[C25D]
4731166 Method of producing an adherent, smooth deposit of chromium on a nodular iron substrateExpiredJan 12, 86Mar 15, 88[C25D]
4731167 Method of electroplating an adherent chromium electrodeposit on a chromium substrateExpiredNov 12, 86Mar 15, 88[C25D]
4717456 Two-step electrolytic activation process for chromium electrodepositionExpiredJan 06, 86Jan 05, 88[C25D]
4711705 Activation composition and method for forming adherent chromium electrodeposits on ferrous metal substrates from high energy efficient bathsExpiredJan 15, 87Dec 08, 87[C25D, C25F]
4668348 Method for forming adherent, bright, smooth and hard chromium electrodeposits on ferrous metal substrates from high energy efficient chromium bathsExpiredSep 26, 85May 26, 87[C25D]
4664759 Method for forming adherent, bright, smooth and hard chromium electrodeposits on stainless steel substrates from high energy efficient chromium bathsExpiredOct 15, 85May 12, 87[C25D]
4588481 Chromium plating bath for producing non-iridescent, adherent, bright chromium deposits at high efficiencies and substantially free of cathodic low current density etchingExpiredMar 26, 85May 13, 86[C25D]
4585530 Process for forming adherent chromium electrodeposits from high energy efficient bath on ferrous metal substratesExpiredAug 09, 85Apr 29, 86[C25D]
4543167 Control of anode gas evolution in trivalent chromium plating bathExpiredFeb 03, 84Sep 24, 85[C25D]
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