Patent Leaderboard
USPTO Patent Rankings Data through Sept 30, 2025
AT

Albert J. Trahan — 11 Patents

EMEmhart: 10 patents #13 of 310Top 5%
EIEmhart Glass Machinery Investments: 1 patents #33 of 66Top 50%
Vernon, CT: #54 of 419 inventorsTop 15%
Connecticut: #4,119 of 34,797 inventorsTop 15%
Overall (All Time): #474,469 of 4,157,543Top 15%
11 Patents All Time

Issued Patents All Time

Showing 1–11 of 11 patents

Patent #TitleCo-InventorsDate
5332413 Plunger mechanism for an I.S. machine Vaughan Abbott, Michael J. Stankosky 1994-07-26
5057139 Plunger mechanism for I.S. machine with thermally isolated conduits Michael J. Stankosky, Vaughan Abbott 1991-10-15
5028249 Plunger mechanism for i.s. machine Vladimir Vajda 1991-07-02
4889549 Plunger operating mechanism for a glass forming machine Robert J. Douglas 1989-12-26
4888040 Neck ring/plunger assembly for a glassware forming machine Robert J. Douglas 1989-12-19
4838921 Plunger assembly for a glassware forming machine 1989-06-13
4836842 Plunger assembly for a glassware forming machine 1989-06-06
4836839 Plunger assembly for a glassware forming machine Robert J. Douglas 1989-06-06
4608075 Plunger mechanism for use in a glassware forming machine Vladimir Vajda 1986-08-26
4585467 Plunger suitable for use in a glassware forming machine Vladimir Vajda 1986-04-29
4272273 Plunger mechanism for glassware forming machine Bruce R. Beckwith, David B. Murray 1981-06-09