Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
HS

Herman Stone — 13 Patents

PMPmc: 7 patents #1 of 15Top 7%
TCTenneco Chemicals: 4 patents #8 of 54Top 15%
MTMobius Technologies: 1 patents #4 of 10Top 40%
Hazleton, PA: #2 of 52 inventorsTop 4%
Pennsylvania: #6,020 of 74,527 inventorsTop 9%
Overall (All Time): #362,438 of 4,157,543Top 9%
13 Patents All Time
Herman Stone has been granted 13 US patents while listed as an inventor at Pmc. The first was granted in 1980 and the most recent in December 2003. Herman Stone ranks #362,438 of 4,157,543 US inventors in our database (top 8.7%). Patent records list Herman Stone in Hazleton, PA, US.

Issued Patents All Time

Showing 1–13 of 13 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
6670404 Polymeric foam powder processing techniques, foam powders products, and foams produced containing those foam powders Bryan Martel, Robert Villwock 2003-12-30
5447963 Method for reducing volatile emissions generated during the preparation of foams and fabrication of foam products Michael P. Pcolinsky, Jr., Steven Lichvar 1995-09-05 $4,220,000
5128379 Process for rapid cooling of polyurethane foam 1992-07-07 $3,445,000
5123936 Process and apparatus for the removal of fine particulate matter and vapors from process exhaust air stream Gregory Rusenko 1992-06-23 $4,874,000
5086082 Ignition resistant polyurethane foams with melamine 1992-02-04 $5,347,000
5006569 Density reduction in flexible polyurethane foams 1991-04-09 $11,473,000
4950695 Reduction of firmness in flexible polyurethane foam by addition of monofunctional alcohols, polyesters, and polyethers 1990-08-21 $4,374,000
4906672 Blowing agents for polyurethane foam Steve Lichvar, Charles W. Bredbenner, Richard B. Rupp, Elmer Minnich 1990-03-06 $14,438,000
4374207 Intumescent flexible polyurethane foam Peter D. Pauly, Michael P. Pcolinsky, Jr. 1983-02-15
4275169 Intumescent flexible polyurethane foam having incorporated into the reaction mixture an aliphatic aldehyde Bernard Rudner 1981-06-23 $25,020,000
4251635 Production of polyurethane foam of reduced tendency to form embers when burned 1981-02-17 $28,715,000
4226944 Process for a polyurethane foam containing fragrance Peter D. Pauly 1980-10-07 $5,119,000
4193887 Filled detergent foam made by a one shot process Peter D. Pauly 1980-03-18 $7,963,000