JH

John D. Hottovy

Chevron: 70 patents #24 of 4,788Top 1%
PP Phillips Petroleum: 14 patents #111 of 1,401Top 8%
LP Lawrence Pump: 1 patents #4 of 10Top 40%
📍 Porter, TX: #1 of 74 inventorsTop 2%
🗺 Texas: #612 of 125,132 inventorsTop 1%
Overall (All Time): #20,128 of 4,157,543Top 1%
85
Patents All Time

Issued Patents All Time

Showing 76–85 of 85 patents

Patent #TitleCo-InventorsDate
6239300 Metallocene production process Carleton E. Stouffer, Syriac J. Palackal, Gary L. Glass, M. Bruce Welch, Michael D. Jensen 2001-05-29
6114501 Diluent recycle process Bruce E. Kreischer 2000-09-05
6051631 Process for treating fluid streams 2000-04-18
6042790 Apparatus for maintaining unreacted monomer concentration in a polymerization reactor Frederick C. Lawrence, Nelson T. Black 2000-03-28
5565175 Apparatus and method for producing ethylene polymer Frederick C. Lawrence, Barry Lowe, James S. Fangmeier 1996-10-15
5387659 Flash gas sampling for polymerization reactions Frederick C. Lawrence, Nelson T. Black 1995-02-07
5183866 Polymer recovery process 1993-02-02
4676870 Automatic control of a multiple-effect evaporator William S. Stewart, John E. Blaesi 1987-06-30
4654801 Control of a vinyl acetate process William S. Stewart 1987-03-31
4211863 Polymer slurry catalyst residue deactivation Max P. McDaniel, Melvin B. Welch 1980-07-08