HMT LLC
27Patents
7Active
27Granted
37Portfolio score
Filing activity: Jun 3, 1980 → Mar 29, 2018
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| 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.