Patent assignee · US · COMPANY

HMT LLC

27Patents
7Active
27Granted
37Portfolio score

Filing activity: Jun 3, 1980 → Mar 29, 2018

Most-cited patents

PatentTitleAreaCited byStatus
US6186963A Device for generating acoustic shock waves, especially for medical applications Physics 170 Expired
US6080119A Process and device for generating shock waves for medical uses Physics 79 Expired
US6036661A Apparatus for administering acoustic shock waves Human Necessities 64 Expired
US4308968A Secondary seal for tank having floating roof Performing Operations; Transporting 48 Expired
US5078293A Shoe seal for lightweight floating roof Performing Operations; Transporting 13 Expired
US6972116B2 Device for producing electrical discharges in an aqueous medium Chemistry; Metallurgy 9 Expired
US5103992A Shoe seal for floating roof of storage tank, and method of installing same Performing Operations; Transporting 9 Expired
US5628421A Floating roof Performing Operations; Transporting 9 Expired
US5301828A Secondary shoe seal Performing Operations; Transporting 8 Expired
US5509562A Floating roof Performing Operations; Transporting 7 Expired
US5927534A Seal for floating roof of storage tank Performing Operations; Transporting 7 Expired
US5758792A Floating roof Performing Operations; Transporting 7 Expired
US6247607A Low profile secondary seal Emerging Cross-Sectional Technologies 6 Expired
US5036875A Hydrocarbon monitoring valve Emerging Cross-Sectional Technologies 5 Expired
US5533640A Floating roof Performing Operations; Transporting 5 Expired
US5321881A Method of installing a shoe seal for floating roof of storage tank Emerging Cross-Sectional Technologies 4 Expired
US10119289B2 Batten bar assembly Fixed Constructions 3 Active
US5605243A Floating roof Performing Operations; Transporting 3 Expired
US10077572B1 Systems and methods for lifting and positioning a roof for installation on a storage tank Performing Operations; Transporting 2 Active
US8973771B2 Welded full contact floating roof Emerging Cross-Sectional Technologies 2 Active
US5509563A Apparatus for coupling a pontoon to a floating roof in a storage tank for liquid products Performing Operations; Transporting 2 Expired
US6529134B2 Remote adjustment device and method Performing Operations; Transporting 1 Expired
US5680950A Floating roof Performing Operations; Transporting 1 Expired
US9975693B2 Welded full contact floating roof and method Performing Operations; Transporting 0 Active
US10919694B2 Welded deck seam skin pontoon internal floating roof Performing Operations; Transporting 0 Active

Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.