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

Jonathan Lipowitz — 22 Patents

Dow Corning: 22 patents #50 of 1,768Top 3%
Midland, MI: #176 of 2,814 inventorsTop 7%
Michigan: #3,548 of 86,293 inventorsTop 5%
Overall (All Time): #189,202 of 4,157,543Top 5%
22 Patents All Time
Jonathan Lipowitz has been granted 22 US patents while listed as an inventor at Dow Corning. The first was granted in 1980 and the most recent in July 2001. Jonathan Lipowitz ranks #189,202 of 4,157,543 US inventors in our database (top 4.6%). Patent records list Jonathan Lipowitz in Midland, MI, US.

Patents per Year

Patents granted per year, 1980 to 2001Bar chart with a peak of 3 patents in 1992.peak 31980: 1 patents19801982: 1 patents1984: 2 patents19841988: 1 patents1989: 2 patents19891990: 1 patents1991: 2 patents19911992: 3 patents1993: 2 patents19931994: 2 patents1995: 1 patents19951998: 2 patents2000: 1 patents20002001: 1 patents2001

Issued Patents All Time

Showing 1–22 of 22 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
6261509 Process to produce silicon carbide fibers using a controlled concentration of boron oxide vapor Thomas Duncan Barnard, Kimmai Thi Nguyen 2001-07-17 $39,918,000
6129887 Process to produce silicon carbide fibers using a controlled concentration of boron oxide vapor Thomas Duncan Barnard, Kimmai Thi Nguyen 2000-10-10 $49,560,000
5840242 Amorphous silicon oxycarbide and crystalline silicon carbide fibers from curable alkenyl or alkynyl functional siloxane resins William H. Atwell, Duane R. Bujalski, Kai Su, Gregg A. Zank 1998-11-24 $10,817,000
5707568 Preparation of substantially polycrystalline silicon carbide fibers from methylpolysilanes David C. Deleeuw, Paul P. Lu, James A. Rabe 1998-01-13 $2,863,000
5436207 Process for preparing silicon carbide powder from vaporized polysiloxanes William H. Atwell, Donald M. Bartos, Patrick J. Harder, Chandan Kumar Saha 1995-07-25 $6,581,000
5366943 Polycrystalline silicon carbide fibers James A. Rabe 1994-11-22 $12,671,000
5279780 Preparation of polycrystalline ceramic fibers James A. Rabe 1994-01-18 $9,676,000
5268336 Preparation of substantially polycrystalline silicon carbide fibers from methylpolydisilylazanes David C. Deleeuw, James A. Rabe 1993-12-07 $15,885,000
5238742 Polymer derived ceramic fibers having improved thermal stability Harvey Alan Freeman, Neal R. Langley, Chi-Tang Li, James A. Rabe 1993-08-24 $5,791,000
5167881 Preparation of substantially polycrystalline silicon carbide fibers from polyorganosiloxanes William H. Atwell, Duane R. Bujalski, Eric Jude Joffre, Gary E. LeGrow, James A. Rabe 1992-12-01 $14,608,000
5162269 Polycrystalline silicon carbide fibers David C. Deleeuw, Paul P. Lu 1992-11-10 $4,571,000
5135809 Method for densification of amorphous ceramic material James A. Rabe, Richard E. Jones 1992-08-04 $4,057,000
5071600 Preparation of substantially crystalline silicon carbide fibers from polycarbosilane David C. Deleeuw, Paul P. Lu 1991-12-10 $5,524,000
5051215 Curing preceramic polymers by exposure to nitrogen dioxide James A. Rabe, Paul P. Lu 1991-09-24 $6,631,000
4921657 Method for densification of amorphous ceramic material James A. Rabe, Richard E. Jones 1990-05-01 $6,112,000
4889899 Method of producing silicon carbide preceramic vinyl-containing polymers Duane R. Bujalski, Gary E. Le Grow, Thomas Fay-Oy Lim 1989-12-26 $7,943,000
4824918 Method of producing silicon carbide preceramic vinyl-containing polymers Duane R. Bujalski, Gary E. LeGrow, Thomas Fay-Oy Lim 1989-04-25 $1,887,000
4743662 Infusible preceramic polymers via plasma treatment 1988-05-10 $6,807,000
4486567 Method of polymerizing hydroxyl endblocked polydiorganosiloxane using quaternary ammonium carboxylate-carboxylic acid catalyst Sheryl A. Bowman, James R. Falender, John C. Saam 1984-12-04 $1,823,000
4472556 Method for enhancing one or more mechanical properties of partially crystalline thermoplastics Robert E. Kalinowski 1984-09-18 $2,552,000
4311760 Method for applying mercaptoalkyl-containing polydiorganosiloxanes to textile fibers Robert E. Kalinowski 1982-01-19 $4,955,000
4207071 Durable modification of fibrous substrates using a polyoxyethylene-containing silane and articles therefrom Robert E. Kalinowski 1980-06-10 $12,485,000