Inventor · Dubuque, IA, US

Charles Digmann

33Patents
9h-index
16Co-inventors
68Inventor score

Filing activity: Apr 18, 2001 → Apr 2, 2019

Most-cited inventions

PatentTitleAreaCited byStatus
US6502268B2 Weather shield for below a dock leveler Performing Operations; Transporting 42 Expired
US6654976B2 Seal for a dock leveler lip Performing Operations; Transporting 31 Expired
US7146673B1 Weather shield for underneath a dock leveler Performing Operations; Transporting 26 Expired
US8307588B2 Flexible structures for use with dock seals and shelters Fixed Constructions 19 Active
US7334281B2 Weather shield for underneath a dock leveler Performing Operations; Transporting 17 Active
US7757442B2 Flexible structures for use with dock seals and shelters Fixed Constructions 17 Expired
US8915029B2 Face panels for loading dock seals and shelters Fixed Constructions 13 Active
US7062814B2 Inflatable column assembly for a dock leveler Performing Operations; Transporting 12 Expired
US8042307B2 Head curtains for dock shelters or dock seals Performing Operations; Transporting 10 Active
US7877831B2 Weather shield for underneath a dock leveler Performing Operations; Transporting 9 Active
US9273512B2 Face panels for loading dock seals and shelters Fixed Constructions 8 Active
US7584517B2 Weather shield for underneath a dock leveler Performing Operations; Transporting 8 Active
US8458960B2 Head curtains for dock shelters or dock seals Fixed Constructions 7 Active
US8327587B2 Head curtains for dock shelters or dock seals Fixed Constructions 7 Active
US9187271B2 Face panels for loading dock seals and shelters Fixed Constructions 5 Active
US9162832B2 Vehicle-actuated weather barrier apparatus Fixed Constructions 5 Active
US8495838B2 Side seal members for a dock seal Emerging Cross-Sectional Technologies 4 Active
US8141305B2 Side seal members for a dock seal Emerging Cross-Sectional Technologies 4 Active
US9003724B2 Weather barrier apparatuses for sealing or sheltering vehicles at loading docks Fixed Constructions 3 Active
US8887447B2 Flexible structures for use with dock seals and shelters Fixed Constructions 3 Active
US9079713B2 Head curtains for dock shelters or dock seals Fixed Constructions 3 Active
US9534373B2 Vehicle-actuated weather barrier apparatus Fixed Constructions 2 Active
US9534372B2 Vehicle-actuated weather barrier apparatus Fixed Constructions 2 Active
US9003725B2 Weather barrier apparatuses for sealing or sheltering vehicles at loading docks Fixed Constructions 2 Active
US9193543B2 Loading dock weather barrier apparatus Performing Operations; Transporting 1 Active

Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.