M&FC HOLDING COMPANY, INC., A DE. CORP.

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
 
 
G01F MEASURING VOLUME, VOLUME FLOW, MASS FLOW, OR LIQUID LEVEL; METERING BY VOLUME 257
 
 
 
H04M TELEPHONIC COMMUNICATION 2161
 
 
 
B32B LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM1156
 
 
 
F16L PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL169
 
 
 
G08C TRANSMISSION SYSTEMS FOR MEASURED VALUES, CONTROL OR SIMILAR SIGNALS 154
 
 
 
H04Q SELECTING 1109

Top Patents (by citation)

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
6087957 Meter data gathering and transmission systemOct 22, 93Jul 11, 00[H04Q]
5605357 Pipe collarJun 05, 95Feb 25, 97[F16L]
5473932 Tandem rotor turbine meter and field calibration moduleSep 22, 93Dec 12, 95[G01F]
5454031 Dial inbound meter interface unit which derives its power from a telephone lineMar 08, 95Sep 26, 95[H04M]
5438329 Duplex bi-directional multi-mode remote instrument reading and telemetry systemJun 04, 93Aug 01, 95[G08C]
5434911 Call in-bound remote reading and data collection systemJun 04, 93Jul 18, 95[H04M]
5114792 Moisture resistant laminated cover electronic utility meterApr 04, 91May 19, 92[B32B, G01F]

Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
6052888 Method of stiffening a flexible pipeExpiredMar 27, 96Apr 25, 00[B23P]
RE36401 Tandem rotor turbine meter and field calibration moduleExpiredSep 09, 97Nov 23, 99[G01F]
5967568 Plastic pipe adaptor for a mechanical jointExpiredJun 13, 97Oct 19, 99[F16L]
5877430 Pressure measuring system for gas flow meterExpiredJun 13, 97Mar 02, 99[1.28, G01F]
5856791 Port expander for utility meter readingExpiredJun 04, 96Jan 05, 99[H04Q]
5842726 Preformed transition pipe couplingExpiredFeb 27, 96Dec 01, 98[F16L]
D339975 Pipe restrainer collar memberExpiredNov 06, 91Oct 05, 93[]
5209524 Pipe restraining collar member having protrusions of different sizesExpiredNov 06, 91May 11, 93[F16L]
5190324 Pipe restraining memberExpiredNov 06, 91Mar 02, 93[F16L]
5131688 Pipe insulator and method for making sameExpiredDec 28, 90Jul 21, 92[F16L]
5080744 Process to produce a cover for a utility meter registerExpiredMay 18, 89Jan 14, 92[B29C]
5069490 Pipe coupling with spring off-setExpiredOct 06, 89Dec 03, 91[F16L]
5009245 Pressure regulatorExpiredSep 20, 90Apr 23, 91[G05D]
4829449 Method and apparatus for measuring and providing corrected gas flowExpiredFeb 05, 86May 09, 89[G01N, G06F]
4802652 Tapered ball valveExpiredJan 28, 88Feb 07, 89[F16K]
4782341 Meter data gathering and transmission systemExpiredApr 04, 86Nov 01, 88[G08S]
4758836 Inductive coupling system for the bi-directional transmission of digital dataExpiredJun 20, 83Jul 19, 88[G06M]
4738136 Coupling for liquid metersExpiredOct 27, 86Apr 19, 88[G01F]
4676275 360 Degree pipe repair clampExpiredJun 27, 86Jun 30, 87[F16L]
4663970 Tamperproof water meterExpiredSep 03, 85May 12, 87[G01F]

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