Patents Assigned to K-Krete, Inc.
  • Patent number: 4062195
    Abstract: The invention relates to a controlled density fill material and a method of using such fill material in, for examples, the backfilling of sewers, embankments, structures and utility trenches. The material includes Portland cement, fly ash and aggregates. The material, while having some properties of both, is neither a soil nor a concrete.
    Type: Grant
    Filed: December 3, 1975
    Date of Patent: December 13, 1977
    Assignee: K-Krete, Inc.
    Inventors: William E. Brewer, Franklin V. Zimmer
  • Patent number: 4050950
    Abstract: The invention relates to a controlled density fill material and a method of using such fill material in, for examples, the backfilling of sewers, embankments, structures and utility trenches. The material includes Portland cement, fly ash and aggregates. The material, while having some properties of both, is neither a soil nor a concrete.
    Type: Grant
    Filed: December 3, 1975
    Date of Patent: September 27, 1977
    Assignee: K-Krete, Inc.
    Inventors: William E. Brewer, Franklin V. Zimmer
  • Patent number: 4050261
    Abstract: The invention relates to a controlled density fill material and a method of using such fill material in, for examples, the backfilling of sewers, embankments, structures and utility trenches. The material includes Portland cement, fly ash and aggregates. The material, while having some properties of both, is neither a soil nor a concrete.
    Type: Grant
    Filed: June 3, 1974
    Date of Patent: September 27, 1977
    Assignee: K-Krete, Inc.
    Inventors: William E. Brewer, Franklin V. Zimmer
  • Patent number: 4050258
    Abstract: The invention relates to a controlled density fill material and a method of using such fill material in, for examples, the backfilling of sewers, embankments, structures and utility trenches. The material includes Portland cement, fly ash and aggregates. The material, while having some properties of both, is neither a soil nor a concrete.
    Type: Grant
    Filed: December 3, 1975
    Date of Patent: September 27, 1977
    Assignee: K-Krete, Inc.
    Inventors: William E. Brewer, Franklin V. Zimmer