Inventor · disambiguated record
John W. Schaefer
Also filed as: SCHAEFER JOHN M · SCHAEFER JOHN W
15 granted patents·1 pending application·413 citations·filing 1978–2008
94Inventor score
Top patents by PatentIndex Score
16 records- 0195US5288147AThermopile differential thermal analysis sensorTA INSTR INC·Filed 1992·Granted Feb 22, 1994·144 cites·43 claims
- 0291US5710426ADynamic and thermal mechanical analyzer having an optical encoder with diffraction grating and a linear permanent magnet motorTA INSTR INC·Filed 1996·Granted Jan 20, 1998·37 cites·53 claims
- 0388US6523998B1Thermal analysis assembly with distributed resistance and integral flange for mounting various cooling devicesTA INSTR INC·Filed 2001·Granted Feb 25, 2003·36 cites·27 claims
- 0481US7416328B2System and method for a thermogravimetric analyzer having improved dynamic weight baselineWATERS INVESTMENTS LTD·Filed 2005·Granted Aug 26, 2008·6 cites·38 claims
- 0577US5842788ADifferential scanning calorimeterTA INSTR INC·Filed 1997·Granted Dec 1, 1998·50 cites·26 claims
- 0676US5915283AMetallic sheet insulation systemTA INSTR INC·Filed 1996·Granted Jun 22, 1999·40 cites·30 claims
- 0774US7566167B2System and method for a thermogravimetric analyzer having improved dynamic weight baselineWATERS INVESTMENTS LTD·Filed 2008·Granted Jul 28, 2009·3 cites·15 claims
- 0874US6578367B1Liquid nitrogen cooling systemTA INSTR WATERS LLC·Filed 2001·Granted Jun 17, 2003·32 cites·67 claims
- 0967US5321719AThermogravimetric apparatusTA INSTR INC·Filed 1993·Granted Jun 14, 1994·32 cites·34 claims
- 1063US6723036B2Methods and apparatus for folding sheet materialCONTOUR FABRICATORS INC·Filed 2002·Granted Apr 20, 2004·7 cites·31 claims
- 1155US7458117B2Protective cover and patient security apparatusCONTOUR FABRICATORS INC·Filed 2004·Granted Dec 2, 2008·11 cites·9 claims
- 1251US7175900B2Reinforced pad and method of makingCONTOUR FABRICATORS INC·Filed 2003·Granted Feb 13, 2007·4 cites·18 claims
- 1346US2004250338A1Fall guard undergearFiled 2003·Application pending·0 cites
- 1432US5890788AAnamophic optical systemRAYTHEON CO·Filed 1997·Granted Apr 6, 1999·5 cites·11 claims
- 1531US4173047ATubular border frame for inner spring assembliesNACHMAN CORP·Filed 1978·Granted Nov 6, 1979·2 cites·15 claims
- 1630US4213770AEngine emission pollutant separatorSCHAEFER JOHN W·Filed 1979·Granted Jul 22, 1980·4 cites·9 claims
Join the waitlist — get patent alerts
Get an alert when John W. Schaefer files or is granted a new patent.
We store only your email — no account needed. See our privacy policy.
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →