Inventor · disambiguated record
Robert L. Hartman
Also filed as: HARTMAN ROBERT · HARTMAN ROBERT L · HARTMAN ROBERT LOUIS
26 granted patents·3 pending applications·719 citations·filing 1977–2018
97Inventor score
Files withBELL TELEPHONE LABOR INC5AT & T BELL LAB4SNAP ON TOOLS CO3AGERE SYSTEMS INC2AMERICAN TELEPHONE & TELEGRAPH2
Top patents by PatentIndex Score
29 records- 0193US6488451B1Drive shaft lockSNAP ON TECH INC·Filed 2001·Granted Dec 3, 2002·55 cites·19 claims
- 0293US6139359ACordless screwdriver and multi-position battery pack thereforSNAP ON TOOLS CO·Filed 1999·Granted Oct 31, 2000·94 cites·14 claims
- 0392US4684883AMethod of manufacturing high-quality semiconductor light-emitting devicesAMERICAN TELEPHONE & TELEGRAPH·Filed 1985·Granted Aug 4, 1987·102 cites·8 claims
- 0489US4230997ABuried double heterostructure laser deviceBELL TELEPHONE LABOR INC·Filed 1979·Granted Oct 28, 1980·34 cites·10 claims
- 0588US6000888AQuick coupler mechanism for power tool bitsSNAP ON TOOLS CO·Filed 1999·Granted Dec 14, 1999·60 cites·23 claims
- 0686US4573255APurging: a reliability assurance technique for semiconductor lasers utilizing a purging processAT & T BELL LAB·Filed 1984·Granted Mar 4, 1986·30 cites·17 claims
- 0780US4870649ATranverse mode control in solid state lasersAMERICAN TELEPHONE & TELEGRAPH·Filed 1988·Granted Sep 26, 1989·28 cites·19 claims
- 0880US4098031AMethod for lapping semiconductor materialBELL TELEPHONE LABOR INC·Filed 1977·Granted Jul 4, 1978·18 cites·2 claims
- 0979US6486999B1Using crystalline materials to control the thermo-optic behavior of an optical pathAGERE SYSTEMS INC·Filed 2000·Granted Nov 26, 2002·21 cites·49 claims
- 1077US4313125ALight emitting semiconductor devicesBELL TELEPHONE LABOR INC·Filed 1979·Granted Jan 26, 1982·21 cites·9 claims
- 1176USD458101SHand held power toolSNAP ON TECH INC·Filed 2001·Granted Jun 4, 2002·23 cites·1 claims
- 1275US4227975ASelective plasma etching of dielectric masks in the presence of native oxides of group III-V compound semiconductorsBELL TELEPHONE LABOR INC·Filed 1979·Granted Oct 14, 1980·28 cites·14 claims
- 1374US6349156B1Semiconductor etalon device, optical control system and methodAGERE SYST GUARDIAN CORP·Filed 1999·Granted Feb 19, 2002·38 cites·29 claims
- 1464US5186758AEnvironmentally-friendly battery cleaning methodHARTMAN ROBERT·Filed 1991·Granted Feb 16, 1993·27 cites·3 claims
- 1563US6678301B1Apparatus and method for minimizing wavelength chirp of laser devicesTRIQUINT TECHNOLOGY HOLDING CO·Filed 2000·Granted Jan 13, 2004·7 cites·11 claims
- 1661US6386077B1Pliers for removal of spring-secured electrical terminalsFiled 2000·Granted May 14, 2002·12 cites·6 claims
- 1760US4539743AProduction of semiconductor structures with buried resistive or conductive regions by controlled ion bombardment and heat treatmentAT & T BELL LAB·Filed 1983·Granted Sep 10, 1985·22 cites·11 claims
- 1860US4523961AMethod of improving current confinement in semiconductor lasers by inert ion bombardmentAT & T BELL LAB·Filed 1982·Granted Jun 18, 1985·22 cites·14 claims
- 1957US6603427B2System and method for forming a beam and creating nulls with an adaptive array antenna using antenna excision and orthogonal Eigen-weightingRAYTHEON CO·Filed 2001·Granted Aug 5, 2003·12 cites·24 claims
- 2056US5340301ACorrugated substructure forming toolNORTHROP GRUMMAN CORP·Filed 1988·Granted Aug 23, 1994·23 cites·15 claims
- 2154US5930899AMolding and emblem removal toolSNAP ON TOOLS CO·Filed 1997·Granted Aug 3, 1999·21 cites·20 claims
- 2252US4504952AStripe-guide TJS laserAT & T BELL LAB·Filed 1982·Granted Mar 12, 1985·9 cites·10 claims
- 2348US2018116199A1Mosquito killing method and apparatusHARTMAN ROBERT LOUIS·Filed 2017·Application pending·0 cites
- 2441US4408331AV-Groove semiconductor light emitting devicesBELL TELEPHONE LABOR INC·Filed 1981·Granted Oct 4, 1983·5 cites·19 claims
- 2536US2020243230A1Doped magnetic nanoparticlesNANO THERANOSTICS INC·Filed 2018·Application pending·0 cites
- 2634US2003026576A1Reducing optical loss in semiconductor opto-electronic devices by hydrogen passivation of dopantsFiled 2001·Application pending·0 cites
- 2732US5956360AUncooled lasers with reduced low bias capacitance effectLUCENT TECHNOLOGIES INC·Filed 1997·Granted Sep 21, 1999·4 cites·8 claims
- 2827US4363577AApparatus for converting power chain saw into a boring toolHARTMAN ROBERT·Filed 1980·Granted Dec 14, 1982·2 cites·5 claims
- 2926US6483615B1Process for selecting optical sources for communication systemAGERE SYSTEMS INC·Filed 1998·Granted Nov 19, 2002·1 cites·3 claims
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