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USPTO Patent Rankings Data through Dec 31, 2025
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Robert W. Stackman — 14 Patents

SSS. C. Johnson & Son: 6 patents #285 of 1,588Top 20%
CGCelanese Gmbh: 6 patents #77 of 478Top 20%
HCHoechst Celanese: 2 patents #300 of 871Top 35%
Morristown, NJ: #135 of 1,322 inventorsTop 15%
New Jersey: #6,230 of 69,400 inventorsTop 9%
Overall (All Time): #332,869 of 4,157,543Top 9%
14 Patents All Time
Robert W. Stackman has been granted 14 US patents while listed as an inventor at Celanese Gmbh. The first was granted in 1980 and the most recent in August 1993. Robert W. Stackman ranks #332,869 of 4,157,543 US inventors in our database (top 8.0%). Patent records list Robert W. Stackman in Morristown, NJ, US.

Issued Patents All Time

Showing 1–14 of 14 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
5234974 Alkali-soluble hydrophilic polymer coatings Glenn C. Calhoun, Michael E. Klinkhammer 1993-08-10
5147915 Alkali-soluble hydrophilic polymer coatings Glenn C. Calhoun, Michael E. Klinkhammer 1992-09-15
5093396 Alkali-soluble hydrophilic polymer coatings Glenn C. Calhoun, Michael E. Klinkhammer 1992-03-03
4988763 Catalyzed bulk process for producing cyclic ester-modified acrylic polymers Lisa M. Kessler, Kevin M. Scholsky 1991-01-29
4952334 Compatible blends of main chain and side chain thermotropic liquid crystal polymers Hassan-Ali Hakemi, Husam A. A. Rasoul 1990-08-28
4842754 Compatible blends of main chain and side chain thermotropic liquid crystal polymers Hassan-Ali Hakemi, Husam A. A. Rasoul 1989-06-27
4814399 Sulfoalkylation of polybenzimidazole Michael J. Sansone, Balaram Gupta 1989-03-21
4808684 Thermoset resin produced from anisotropic heat-curable acrylic terminated monomers 1989-02-28
4683327 Anisotropic heat-curable acrylic terminated monomers 1987-07-28
4626584 Crosslinkable thermotropic polyesters derived from allylically substituted hydroxybenzoic acid and a process for preparing a shaped article of the polyesters Husam A. A. Rasoul 1986-12-02 $7,898,000
4554377 Production of N-vinyl carboxylic acid amides Richard H. Summerville, deceased, James E. Summerville, Jr., heir 1985-11-19 $1,612,000
4208502 Curable resin compositions Anthony B. Conciatori 1980-06-17 $3,429,000
4191681 Melt processable wholly aromatic polyester composition containing a phosphorus ester Edward Kuczynski 1980-03-04 $3,404,000
4185050 Pressure sensitive adhesive compositions comprising a mixture of terpolymers Nelson R. Lazear 1980-01-22 $1,050,000