Inventor
HEMPHILL MARK K
US9 patents
⚠️ This page may combine multiple inventors who share the name “HEMPHILL MARK K”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
UNITED STATES GYPSUM CO
6 patentsUS6874930B2Apr 5, 2005
Slurry mixer outlet
UNITED STATES GYPSUM CO176 citations96
US6494609B1Dec 17, 2002
Slurry mixer outlet
UNITED STATES GYPSUM CO238 citations95
US11891336B2Feb 6, 2024
Gypsum board containing high absorption paper and related methods
UNITED STATES GYPSUM CO0 citations61
US11834374B2Dec 5, 2023
Accelerator comprising starch, and related board, slurries, and methods
UNITED STATES GYPSUM CO0 citations56
US11993054B2May 28, 2024
Method of preparing gypsum wallboard from high salt gypsum, and related product
UNITED STATES GYPSUM CO0 citations51
US11834375B2Dec 5, 2023
Fire resistant gypsum board and related methods
UNITED STATES GYPSUM CO0 citations50