Patent assignee · US · COMPANY

McNeil AB

182Patents
21Active
182Granted
42Portfolio score

Filing activity: Apr 20, 1978 → Dec 20, 2021 · 2 expiring within 5 years

Most-cited patents

PatentTitleAreaCited byStatus
US4207890A Drug-dispensing device and method Human Necessities 264 Expired
US4731072A Apparatus for heating or cooling fluids Human Necessities 188 Expired
US4338174A Electrochemical sensor with temperature compensation means Emerging Cross-Sectional Technologies 146 Expired
US4968509A Oral sustained release acetaminophen formulation and process Human Necessities 129 Expired
US5336691A Composition comprising a tramadol material and acetaminophen and its use Human Necessities 119 Expired
US4820524A Gelatin coated caplets and process for making same Human Necessities 101 Expired
US4623328A Pump monitor for photoactivation patient treatment system Electricity 90 Expired
US7767698B2 Formulation and use thereof Human Necessities 88 Expired
US4820522A Oral sustained release acetaminophen formulation and process Human Necessities 87 Expired
US4737140A Irradiation chamber for photoactivation patient treatment system Emerging Cross-Sectional Technologies 79 Expired
US4897789A Electronic device for authenticating and verifying disposable elements Human Necessities 79 Expired
US4692138A Pump block for interfacing irradiation chamber to photoactivation patient treatment system Human Necessities 64 Expired
US5200193A Pharmaceutical sustained release matrix and process Human Necessities 63 Expired
US4708715A Light array assembly for photoactivation patient treatment system Human Necessities 56 Expired
US5242942A Anticonvulsant fructopyranose cyclic sulfites and sulfates Chemistry; Metallurgy 50 Expired
US5384327A Anticonvulsant sorbopyranose sulfamates Chemistry; Metallurgy 47 Expired
US4867983A Method for double dipping gelating coated caplets Human Necessities 45 Expired
US4966771A Gelatin coated caplets and process for making same Human Necessities 44 Expired
USD298567S Flexible patient fluid container General 41 Expired
US5516803A Composition comprising a tramadol material and a non-steroidal anti-inflammatory drug Human Necessities 40 Expired
US4596547A Valve apparatus for photoactivation patient treatment system Human Necessities 39 Expired
US4792569A Anticonvulsant phenethyl sulfamates Chemistry; Metallurgy 37 Expired
US4921108A Apparatus for gelatin coating caplets Emerging Cross-Sectional Technologies 33 Expired
US4705498A Disposable temperature probe for photoactivation patient treatment system Human Necessities 33 Expired
US4732675A Density gradient filtration media Emerging Cross-Sectional Technologies 32 Expired

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