Inventor · disambiguated record
Donald W. Schmanski
Also filed as: SCHMANSKI DONALD W
25 granted patents·1,328 citations·filing 1975–2004
97Inventor score
Files withCARSONITE INT CORP9SCHMANSKI DONALD W7CARSONITE INTERNATIONAL2AMETEK INC1CARSONITE INTERNATIONAL CORP A1
Top patents by PatentIndex Score
25 records- 0198US4715743AMobility guide tile for visually handicappedSCHMANSKI DONALD W·Filed 1986·Granted Dec 29, 1987·251 cites·21 claims
- 0297US5272284ASound barrierCARSONITE INT CORP·Filed 1992·Granted Dec 21, 1993·108 cites·16 claims
- 0393US5015119AVision blocking barrierSCHMANSKI DONALD W·Filed 1989·Granted May 14, 1991·83 cites·9 claims
- 0492US4055697AWoven material with filling threads at angles other than right anglesFIBERITE CORP·Filed 1975·Granted Oct 25, 1977·68 cites·16 claims
- 0590US4092081ARoadway/traffic delineatorHPC INC·Filed 1977·Granted May 30, 1978·54 cites·26 claims
- 0689US4511281ARoad-surface mountable delineator support memberCARSONITE INT CORP·Filed 1981·Granted Apr 16, 1985·59 cites·3 claims
- 0789US4249832AHighway median delineatorHIGH PERFORMANCE COMPOSITES IN·Filed 1978·Granted Feb 10, 1981·60 cites·9 claims
- 0889US4061435ARoadway delineatorSCHMANSKI DONALD W·Filed 1976·Granted Dec 6, 1977·51 cites·8 claims
- 0987US5302049AMobility guide tile for visually handicappedGUIDANCE SYSTEMS INC·Filed 1991·Granted Apr 12, 1994·65 cites·6 claims
- 1087US5217771ASound barrierCARSONITE INT CORP·Filed 1991·Granted Jun 8, 1993·60 cites·4 claims
- 1187US4571118ASimulated tubular highway safety deviceCARSONITE INT CORP·Filed 1984·Granted Feb 18, 1986·54 cites·12 claims
- 1287US4338041AGlarefoil assemblySCHMANSKI DONALD W·Filed 1981·Granted Jul 6, 1982·55 cites·16 claims
- 1386US5438171AComposite sound wallCARSONITE INT CORP·Filed 1994·Granted Aug 1, 1995·55 cites·5 claims
- 1486US5189822ATamper resistant signCARSONITE INTERNATIONAL·Filed 1990·Granted Mar 2, 1993·77 cites·8 claims
- 1573US4611949ADetachable base for road delineatorsCARSONITE INTERNATIONAL CORP A·Filed 1984·Granted Sep 16, 1986·36 cites·17 claims
- 1671US4605204ACollapsible recreational fenceCARSONITE INT CORP·Filed 1984·Granted Aug 12, 1986·34 cites·7 claims
- 1770US4779955A360 Degree reflector deviceAMETEK INC·Filed 1987·Granted Oct 25, 1988·31 cites·7 claims
- 1868US5290833AAggregate of asphalt and fillerCARSONITE INT CORP·Filed 1992·Granted Mar 1, 1994·21 cites·4 claims
- 1962US4516069AElectrolysis test station terminal and supportCARSONITE INT CORP·Filed 1983·Granted May 7, 1985·17 cites·15 claims
- 2059US4958954AHorizontal reflective highway markerCARSONITE INTERNATIONAL·Filed 1988·Granted Sep 25, 1990·26 cites·5 claims
- 2159US4342168AFlexible street sign blankSCHMANSKI DONALD W·Filed 1981·Granted Aug 3, 1982·19 cites·6 claims
- 2257US4357001AMethod and apparatus for making fencesSCHMANSKI DONALD W·Filed 1976·Granted Nov 2, 1982·17 cites·2 claims
- 2352US7339136B2Bread impaling cooking utensilHOLE E COW CORP·Filed 2004·Granted Mar 4, 2008·8 cites·24 claims
- 2445US4674432ATraffic barricadeCARSONITE INT CORP·Filed 1984·Granted Jun 23, 1987·11 cites·14 claims
- 2538US4997307ARemovable snow pole insertSCHMANSKI DONALD W·Filed 1989·Granted Mar 5, 1991·8 cites·20 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →