Inventor · Monsheim, DE

Frank Pfeiffer

17Patents
5h-index
46Co-inventors
66Inventor score

Filing activity: Jun 1, 1998 → Feb 1, 2022

Most-cited inventions

PatentTitleAreaCited byStatus
US8409312B2 Filter unit for filtering gaseous fluids Mechanical Engineering; Lighting; Heating 17 Active
US7464788B2 Apparatus for transmitting sound in a motor vehicle Physics 8 Expired
US6901151B1 Method and device for processing mail to be returned to sender Performing Operations; Transporting 8 Expired
US7691188B2 Adsorption element Mechanical Engineering; Lighting; Heating 7 Active
US7678170B2 Filter system Performing Operations; Transporting 5 Active
US7476268B2 Air filter Performing Operations; Transporting 4 Active
US7637974B2 Active carbon coated filter element for preventing the leaking of hydrocarbons Mechanical Engineering; Lighting; Heating 4 Active
US6041150A Multipass cavity sensor for measuring a tissue-equivalent radiation dose Physics 4 Expired
US7895983B2 Retention assembly for a hydrocarbon trap Mechanical Engineering; Lighting; Heating 4 Active
USD843262S1 Artificial grass blade General 3 Active
US10844553B2 Artificial turf system Performing Operations; Transporting 1 Active
US12351401B2 Computer-implemented method, apparatus for data processing, and computer system for controlling a control device of a conveyor system Physics 0 Active
US11000251B2 CT imaging system and a method for a CT imaging system Physics 0 Active
USRE46102E1 Filter unit for filtering gaseous fluids General 0 Active
USRE47174E1 Filter unit for filtering gaseous fluids General 0 Active
US11939730B2 Split resistant fibre Textiles; Paper 0 Active
US8182886B2 Composite artificial grass and method for manufacturing same Textiles; Paper 0 Active

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