Elgin Sweeper Company

Patent Owner

Watch Compare Add to Portfolio

Stats

Details

Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
E01H STREET CLEANING; CLEANING OF PERMANENT WAYS; CLEANING BEACHES; CLEANING LAND; DISPERSING FOG IN GENERAL 614
 
  
 
B01D SEPARATION 1133

Top Patents (by citation)

Upgrade to the Professional Level to View Top Patents for this Owner. Learn More

Recent Publications

  • No Recent Publications to Display

Recent Patents

Patent # Title Filing Date Issue Date Intl Class
7424767 Street sweeper with litter hoseSep 16, 04Sep 16, 08[E01H]
D411498 Display moduleMay 06, 97Jun 29, 99[1216]
5852847 High-speed pick-up head for a street sweeperFeb 21, 97Dec 29, 98[E01H]
5839157 Street sweeper pick-up headMay 06, 96Nov 24, 98[E01H]
D400124 Truck bodyMay 05, 97Oct 27, 98[1208]
5383246 Semi-rigid sweeper coverMar 23, 94Jan 24, 95[E01H]
5369833 Offset sidebar flight supporting chainFeb 26, 93Dec 06, 94[E01H, B01D]
5251652 Street sweeperOct 28, 91Oct 12, 93[E01H]

Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
6026724 Sharpening deviceExpiredNov 22, 95Feb 22, 00[B26D]
5060334 Street sweeperExpiredSep 07, 88Oct 29, 91[E01H]
4951347 Brush-type cleaning systemExpiredJan 23, 90Aug 28, 90[E01H]
D307960 Control panel for street sweeperExpiredAug 28, 87May 15, 90[]
D307203 Cab for street sweeperExpiredAug 28, 87Apr 10, 90[]
4807327 Dirt deflector for cleaning headsExpiredMar 24, 88Feb 28, 89[E01H]
4802549 Central rotating terminal for vehiclesExpiredJul 30, 87Feb 07, 89[B60K, B62D]
4770681 Dust separator for gas streamExpiredSep 14, 87Sep 13, 88[B01D]
4756552 Steering mechanism for vehicle with multiple steering wheelsExpiredSep 08, 87Jul 12, 88[B62D]
4460186 Guide wheel suspension for a three wheel sweeperExpiredFeb 08, 82Jul 17, 84[A47L, B62D]
4343060 Hydraulic control system for a street sweeperExpiredJul 18, 80Aug 10, 82[E01H]
4236756 Street sweeper having an elevating hopper with supporting outriggersExpiredDec 04, 78Dec 02, 80[E01H, B60P]
4222141 Street sweeper and main broom suspensionExpiredMay 04, 79Sep 16, 80[E01H]

Top Inventors for This Owner

Upgrade to the Professional Level to View Top Inventors for this Owner. Learn More

We are sorry but your current selection exceeds the maximum number of comparisons () for this membership level. Upgrade to our Level for up to -1 comparisons!

We are sorry but your current selection exceeds the maximum number of portfolios (0) for this membership level. Upgrade to our Level for up to -1 portfolios!.