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Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
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Robert L. Webb — 9 Patents

SMSmithkline: 4 patents #8 of 65Top 15%
SLSk&F Lab: 2 patents #1 of 10Top 10%
SLSmithkline Beecham Limited: 2 patents #570 of 1,624Top 40%
West Chester, PA: #215 of 1,305 inventorsTop 20%
Pennsylvania: #9,298 of 74,527 inventorsTop 15%
Overall (All Time): #535,341 of 4,157,543Top 15%
9 Patents All Time
Robert L. Webb has been granted 9 US patents while listed as an inventor at Smithkline. The first was granted in 1980 and the most recent in January 1999. Robert L. Webb ranks #535,341 of 4,157,543 US inventors in our database (top 12.9%). Patent records list Robert L. Webb in West Chester, PA, US.

Patents per Year

Patents granted per year, 1980 to 1999Bar chart with a peak of 3 patents in 1981.peak 31980: 1 patents19801981: 3 patents19811982: 2 patents19821996: 1 patents19961997: 1 patents19971999: 1 patents1999

Issued Patents All Time

Showing 1–9 of 9 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
5859266 """N-T-butyl-androst-3-5-diene-17 .beta.-carboxamide-3-carboxylic"" acid polymorph A" Neil Howard Baine, Neville Lewis Holder, Donald Nathaniel Klein, Gary Edward Zuber 1999-01-12 $21,585,000
5596109 N-t-butyl-androst-3,5-diene-17.beta.-carboxamide-3-carboxylic acid polymorph A Neil Howard Baine, Neville Lewis Holder, Donald Nathaniel Klein, Gary Edward Zuber 1997-01-21 $20,679,000
5561124 17-.alpha.-acyl steroids which inhibit 5-.alpha.-reductase 1996-10-01
4321399 Preparation of 2-thiophenecarbonyl chloride Stella S. Jones, Christine B. Ogston 1982-03-23 $6,191,000
4321393 Method for preparing 2-cyanamidobenzimidazoles or 2-cyanamidobenzoxazoles Clifford S. Labaw 1982-03-23 $6,191,000
4285878 N-Phenyl-N'-cyano-O-phenylisoureas Clifford S. Labaw 1981-08-25 $6,787,000
4272440 Intermediates for preparing hydroxyphenylpyridazinones Angelina J. Duggan 1981-06-09 $14,934,000
4267337 Imidazolemethylphosphonium salts Joseph J. Lewis 1981-05-12
4215217 Process for preparing 4-substituted imidazole compounds Joseph J. Lewis 1980-07-29