Inventor · Midlothian, VA, US

Ralf Klein

51Patents
6h-index
83Co-inventors
75Inventor score

Filing activity: Jan 19, 1996 → Feb 17, 2020

Most-cited inventions

PatentTitleAreaCited byStatus
US6751543B2 Method, computer program, and control system for operating a motor vehicle having an internal combustion engine Emerging Cross-Sectional Technologies 33 Expired
US5724032A Method and apparatus for compressing and displaying digital data, particularly the heart rate of fetal monitors Electricity 26 Expired
US8442850B2 Providing accounting software application as enterprise services Physics 21 Active
US6838917B2 Circuit configuration for processing data, and method for identifying an operating state Physics 16 Expired
US5564406A Method for adapting warm-up enrichment Mechanical Engineering; Lighting; Heating 7 Expired
US5605138A Method and apparatus for proportioning fuel upon the starting of an internal combustion engine Mechanical Engineering; Lighting; Heating 7 Expired
US6777974B2 Arrangement and method for adjustment of the slope times for one or more drivers and a driver circuit Electricity 6 Expired
US9168719B2 Surface treated yarn and fabric with enhanced physical and adhesion properties and the process of making Emerging Cross-Sectional Technologies 6 Active
US9023450B2 High lap shear strength, low back face signature UD composite and the process of making Emerging Cross-Sectional Technologies 6 Active
US7474131B1 Drive circuit Electricity 6 Expired
US9023451B2 Rigid structure UHMWPE UD and composite and the process of making Emerging Cross-Sectional Technologies 5 Active
US9163335B2 High performance ballistic composites and method of making Emerging Cross-Sectional Technologies 5 Active
US6446615B2 Method and arrangement for detecting icing in pumps utilized in the diagnosis of tank leakage in motor vehicles Mechanical Engineering; Lighting; Heating 4 Expired
US9169581B2 High tenacity high modulus UHMW PE fiber and the process of making Emerging Cross-Sectional Technologies 4 Active
US9774132B2 Cable outlet with curable polymer Electricity 4 Active
US5881697A Method for adjusting a supplemental quantity of fuel in the warm-up phase of an internal combustion engine Mechanical Engineering; Lighting; Heating 4 Expired
US8652570B2 Process for forming unidirectionally oriented fiber structures Performing Operations; Transporting 4 Active
US7875563B2 Method to create an environmentally resistant soft armor composite Emerging Cross-Sectional Technologies 3 Active
US8321831B2 Architectural design for internal projects application software Emerging Cross-Sectional Technologies 3 Active
US6727733B2 Output driver circuit and method for adjusting a driver device Physics 3 Expired
US6426142B1 Spin finish Emerging Cross-Sectional Technologies 3 Expired
US6970395B2 Memory device and method of reading data from a memory device Physics 3 Expired
US11066765B2 UHMWPE fiber and method to produce Textiles; Paper 2 Active
US6670573B2 Method of joining two members of a vehicle seat Performing Operations; Transporting 2 Expired
US7021349B2 Spin finish Emerging Cross-Sectional Technologies 2 Expired

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