Patent assignee · US · UNIVERSITY

UNIVERSITY OF MARYLAND, BALTIMORE

837Patents
658Active
837Granted
60Portfolio score

Filing activity: Jul 28, 1987 → Oct 18, 2024 · 157 expiring within 5 years

Most-cited patents

PatentTitleAreaCited byStatus
US5246867A Determination and quantification of saccharides by luminescence lifetimes and energy transfer Emerging Cross-Sectional Technologies 726 Expired
US7635386B1 Methods and devices for performing cardiac valve repair Emerging Cross-Sectional Technologies 467 Active
US6840246B2 Apparatuses and methods for performing minimally invasive diagnostic and surgical procedures inside of a beating heart Human Necessities 278 Expired
US5877159A Method for introducing and expressing genes in animal cells and live invasive bacterial vectors for use in the same Human Necessities 118 Expired
US8852213B2 Transapical mitral valve repair device Human Necessities 115 Active
US6673532B2 Bioreactor and bioprocessing technique Physics 84 Expired
US6458925B1 Peptide antagonists of zonulin and methods for use of the same Human Necessities 78 Expired
US8297982B2 Simulated abdominal wall Physics 73 Active
US9233125B2 Universal anti-tag chimeric antigen receptor-expressing T cells and methods of treating cancer Chemistry; Metallurgy 71 Active
US4780450A Physically stable composition and method of use thereof for osseous repair Human Necessities 70 Expired
US8538108B2 Method and apparatus for accelerated elastic registration of multiple scans of internal properties of a body Physics 68 Active
US5502363A Apparatus for controlling angular positioning and stiffness modulations of joint of robotic manipulator Physics 67 Expired
US7796726B1 Instrument and method for X-ray diffraction, fluorescence, and crystal texture analysis without sample preparation Physics 66 Active
US5780055A Cushioning beads and tablet comprising the same capable of forming a suspension Human Necessities 64 Expired
US7162008B2 Method for the planning and delivery of radiation therapy Human Necessities 62 Expired
US7041493B2 Bioreactor and bioprocessing technique Physics 60 Expired
US6150170A Method for introducing and expressing genes in animal cells, and live invasive bacterial vectors for use in the same Human Necessities 59 Expired
US6548287B1 Non-pyrogenic bacterial strains and use of the same Chemistry; Metallurgy 55 Expired
US5583403A Method of using and apparatus for use with exercise machines to achieve programmable variable resistance Emerging Cross-Sectional Technologies 52 Expired
US10518098B2 Methods and systems for controlling magnetic fields and magnetic field induced current Human Necessities 51 Active
US5997881A Method of making non-pyrogenic lipopolysaccharide or A Chemistry; Metallurgy 50 Expired
US6156522A Heparin binding--epidermal growth factor-like growth factor in the diagnosis of Interstitial Cystitis Physics 50 Expired
US7076170B2 System and method for generating analog transmission signals Electricity 48 Expired
US6142779A Breakaway devices for stabilizing dental casts and method of use Human Necessities 48 Expired
US5418218A Histidyl-proline diketopiperazine (cyclo his-pro) a cns-active pharmacologic agent Human Necessities 47 Expired

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