Issued Patents All Time
Showing 1–14 of 14 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8567508 | Wellhead change-out flange and method of use thereof | — | 2013-10-29 |
| 5435845 | Glucoheptonate compositions and methods | Zvi Grauer | 1995-07-25 |
| 5221343 | Dispersant, setting retarder and air entrainment additive for cement | Zvi Grauer, Steven W. Rogers | 1993-06-22 |
| 4780500 | Water retention aids | Joseph V. Sinka, Dinshaw F. Bardoliwalla, Edwin L. Kelley, Albert L. Resnick | 1988-10-25 |
| 4744795 | Terpolymers of ethyl acrylate/methacrylic acid/unsaturated acid ester of alcohols and acids as anti-settling agents in coal water slurries | Arpad Savoly, Reuben H. Grinstein, Solomon J. Nachfolger | 1988-05-17 |
| 4674574 | Fluid loss agents for oil well cementing composition | Arpad Savoly, Christopher M. Garvey, Albert L. Resnick | 1987-06-23 |
| 4647384 | Aqueous drilling fluids containing fluid loss additives | Dinshaw F. Bardoliwalla | 1987-03-03 |
| 4634451 | Aqueous carbonaceous mixtures | Stanley A. Lipowski, John J. Miskel, Jr., Reuben H. Grinstein | 1987-01-06 |
| 4622370 | Aqueous drilling fluids containing fluid loss additives | Dinshaw F. Bardoliwalla | 1986-11-11 |
| 4561986 | Combined dispersant fluid loss control additives | Ronald N. Zeiner | 1985-12-31 |
| 4457762 | Stabilized water slurries of carbonaceous materials | John G. Papalos, Kathy A. Knitter, Arpad Savoly | 1984-07-03 |
| 4424074 | Additives for cementitious compositions | Joseph V. Sinka, Alphonso W. Marcellis, Joseph P. Fleming | 1984-01-03 |
| 4363637 | Stabilized oil slurries of carbonaceous materials | Kathy A. Knitter | 1982-12-14 |
| 4290817 | Glucoheptonate composition | Joseph V. Sinka, Joseph P. Fleming | 1981-09-22 |