DPD, Inc.

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
 
 
C04B LIME; MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS 167

Top Patents (by citation)

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
5744078 Accelerated processing of cement-bonded particleboard and fiberboardSep 03, 96Apr 28, 98[C04B]

Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
6664702 Pseudoelastic springs with concentrated deformations and applications thereofExpiredDec 11, 00Dec 16, 03[H02K]
6509056 Preparation of concrete samples for microscopic analysisExpiredJun 11, 01Jan 21, 03[B05D]
6488865 Polymer alloys with balanced heat storage capacity and engineering attributes and applications thereofExpiredApr 26, 00Dec 03, 02[C09K]
6371463 Constant-force pseudoelastic springs and applications thereofExpiredApr 21, 00Apr 16, 02[C22F]
6025080 Metal matrix materials reinforced with shape memory fibers for enhanced ductility and energy absorption capacity, and method of manufacturing sameExpiredDec 08, 97Feb 15, 00[B32B]
5935317 Accelerated curing of cement-based materialsExpiredOct 09, 97Aug 10, 99[C04B]
5897701 Wet dispersion of plant pulp in concrete and use thereofExpiredJun 30, 97Apr 27, 99[C04B]
5643359 Dispersion of plant pulp in concrete and use thereofExpiredNov 15, 95Jul 01, 97[C04B]

Top Inventors for This Owner

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