The Falk Corporation

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
F16D COUPLINGS FOR TRANSMITTING ROTATION 388
 
  
 
F16H GEARING199

Top Patents (by citation)

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
7275995 Adjustable guard for protecting coupling connection between rotating shaftsMay 06, 03Oct 02, 07[F16D]
6648763 Reduction of axial thrust reaction in toothed shear-type flexible couplingsSep 13, 01Nov 18, 03[F16D]
6342011 Flexible shaft coupling with improved elastomeric elementApr 01, 99Jan 29, 02[F16D]
5203221 Shaft mountable gear driveOct 15, 91Apr 20, 93[F16H]

Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
2006/0231,337 Elevated oil reservoir collection and distribution systemAbandonedApr 11, 05Oct 19, 06[F16N]
2006/0196,304 Inverted oil pan mounting for mono-block housingsAbandonedFeb 22, 05Sep 07, 06[F16H]
2006/0144,201 Adjustable rotating shaft guardAbandonedJan 06, 05Jul 06, 06[B26D]
2005/0236,139 Gear drive cooling with oil sump submersed forced air cooling tubesAbandonedApr 26, 04Oct 27, 05[F24H]
2004/0247,217 Gear drive housing having a continuously variable bearing adjustment system with an integral seal carrierAbandonedApr 23, 04Dec 09, 04[F16C]
6039667 Sun gear lubrication and inspection mechanismExpiredSep 24, 98Mar 21, 00[F16H]
5249666 Load compensator for geared holdback devicesExpiredApr 03, 92Oct 05, 93[B65G, F16D]
5085302 Marine reverse reduction gearboxExpiredDec 18, 90Feb 04, 92[F16H]
4925431 Flexible shaft coupling with polymeric resin hubsExpiredJan 31, 89May 15, 90[F16D]
4908008 Safety guardExpiredNov 07, 88Mar 13, 90[F16H]
4881921 Flexible shaft coupling with coated gridExpiredMar 10, 88Nov 21, 89[F16D]
4872502 Air cooling of enclosed gear drivesExpiredSep 25, 87Oct 10, 89[F01M, F16H]
4745998 Disengageable friction coupling for releasably joining an element about a shaftExpiredOct 09, 86May 24, 88[F16D]
4633938 Gear drive cooling systemExpiredAug 08, 85Jan 06, 87[F16N, F01M, F01P, F16H]
4615639 Key and key jointExpiredNov 23, 84Oct 07, 86[F16D]
4583626 Centrifugally actuated wet plate clutchExpiredNov 21, 83Apr 22, 86[F16D]
4552257 Overload protection mechanism for clutchesExpiredOct 21, 83Nov 12, 85[F16D]
4501169 Two speed gear drive with reversible input and unidirectional outputExpiredJan 17, 83Feb 26, 85[F16D, F16H]
4466525 Marine propulsion control system for low speed maneuveringExpiredJan 18, 82Aug 21, 84[B60K]
4458799 Marine propulsion control system including maneuvering brakeExpiredMar 24, 82Jul 10, 84[B60K]

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