Inventor · Clemmons, NC, US

Alan B. Norman

22Patents

13h-index

40Co-inventors

81Inventor score

Filing activity: Aug 26, 1985 → Jul 26, 2018

Most-cited inventions

Patent	Title	Area	Cited by	Status
US4924888A	Smoking article	Human Necessities	218	Expired
US5020548A	Smoking article with improved fuel element	Human Necessities	207	Expired
US5056537A	Cigarette	Human Necessities	172	Expired
US4989619A	Smoking article with improved fuel element	Human Necessities	128	Expired
US5074321A	Cigarette	Human Necessities	105	Expired
US5067499A	Smoking article	Human Necessities	103	Expired
US4854331A	Smoking article	Human Necessities	82	Expired
US5092353A	Cigarette	Human Necessities	82	Expired
US4942888A	Cigarette	Human Necessities	59	Expired
US5159944A	Cigarette	Human Necessities	44	Expired
US4649945A	Adjustable air dilution cigarette exhibiting controlled pressure drop	Human Necessities	38	Expired
US4759380A	Filter cigarette having segmented sections	Human Necessities	15	Expired
US4649941A	Adjustable air dilution cigarette exhibiting controlled pressure drop	Human Necessities	14	Expired
US4771381A	Method and system for effecting sensory evaluation of a smoking product	Physics	13	Expired
US4776354A	Filtered smoking article	Human Necessities	10	Expired
US7600518B2	Smoking articles and wrapping materials therefor	Human Necessities	10	Active
US4693265A	Cigarette filter having low visible staining	Human Necessities	8	Expired
US4858628A	Smoking machine	Human Necessities	8	Expired
US10058121B2	Biodegradable cigarette filter	Human Necessities	1	Active
US9220297B2	Materials, equipment, and methods for manufacturing cigarettes	Emerging Cross-Sectional Technologies	1	Active
US8997755B2	Filter element comprising smoke-altering material	Human Necessities	1	Active
US11918036B2	Biodegradable cigarette filter	Human Necessities	0	Active

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