Patents
Patents for E01H 1 - Removing undesirable matter from roads or like surfaces, with or without moistening of the surface (8,945)
08/1979
08/28/1979CA1061063A1 Sweeper with recirculation hood and independent filter system
08/21/1979US4164820 Snow remover and vacuum sweeper
08/07/1979US4163302 Wall cleaning apparatus
08/07/1979US4163301 Tunnel or like wall cleaning machine
07/1979
07/24/1979CA1059182A1 Apparatus for picking up and removing objects
07/11/1979EP0002810A1 Apparatus for removing liquids or solids containing harmful matter
07/10/1979US4160303 Mechanical sweepers
07/10/1979US4160302 Refuse collecting vehicles
07/10/1979CA1057918A1 Sweeper pickup hood with air lock
07/10/1979CA1057917A1 Unidirectional flow pickup hood for street sweepers
06/1979
06/26/1979US4159139 Device for holding flexible bags such as plastic trash bags and the like
06/26/1979US4158901 Mobile surface cleaning machine having side mounted squeegees
06/05/1979US4157016 Cryogenic beach cleaner
05/1979
05/30/1979EP0002069A1 Jaw-type refuse collecting device
05/29/1979US4156400 Animal feces disposal device
05/22/1979US4155581 Scoop container and method of manufacture thereof
05/15/1979US4154389 Pet waste pan and disposable bag therefor
05/15/1979US4153964 Oscillating gear ratchet drive
05/08/1979US4153555 Hoppers
05/01/1979US4152080 Mobile pet waste liquifier
05/01/1979US4151688 Power boom and vacuum hose support
04/1979
04/17/1979US4149745 Refuse collecting device
04/10/1979USRE29957 Powered rotary brush
04/10/1979US4148513 Device for removal of animal droppings
04/10/1979US4148510 Hand operable scoop for the collection and disposal of animal excrement
03/1979
03/27/1979US4146259 Bag holder and scoop
03/13/1979US4143899 Gathering implement
02/1979
02/27/1979US4141579 Litter retrieving device
02/13/1979US4138756 Surface maintenance machine drive and brush
02/06/1979US4138153 Sanitary self-contained fecal waste container
01/1979
01/30/1979US4136900 Spreader device with disposable bags
01/23/1979US4135750 Device for retrieving dog feces, and the like
01/09/1979US4133072 Device for removing water from large floor surfaces
01/02/1979US4132507 Blowing apparatus
01/02/1979US4132442 Apparatus for picking-up and removing objects
01/02/1979US4132010 Mobile sand de-oiling apparatus
01/02/1979CA1045314A1 Air blast sweeper with dust control system
11/1978
11/14/1978US4125271 Tool suspension
10/1978
10/24/1978US4121866 Sanitary disposal apparatus
10/17/1978US4120311 Vacuum operated debris removal apparatus and method for a power broom
10/10/1978US4119337 Sanitary pickup and disposal device
10/10/1978US4118826 Mobile blower unit for leaves and other debris
10/03/1978US4117983 Leaf collector and comminutor
10/03/1978CA1039773A1 Sanitary device for removing animal droppings
09/1978
09/05/1978US4110869 Handlebar latching mechanism for lawn and yard implement
09/05/1978US4110864 Sweeper hood with transverse air duct and broom compartments
08/1978
08/29/1978US4109341 Unidirectional flow pickup hood for street sweepers
08/29/1978US4109336 Automated machinery to clean debris from roadside ditches, collect it and then transport the debris to a major collecting area for disposing
08/22/1978US4108268 Actuator for self-propelled sweeper
08/22/1978CA1036761A1 Rotating brush mobile floor sweeper
08/01/1978US4103953 Portable animal sanitary device
08/01/1978US4103952 Combination bag and scoop
07/1978
07/25/1978US4102547 Scavenging device for animal waste
07/11/1978US4099940 Impulse filter cleaner
07/11/1978US4099290 Sweeper with recirculation hood having an unobstructed pickup window
07/11/1978US4099285 High lift surface maintenance machine
06/1978
06/27/1978US4097082 Sanitary pickup device for animal feces
06/06/1978US4092789 Mobile directional high velocity air moving apparatus
04/1978
04/18/1978US4084285 Street sweeper with multi-position gutter brush
04/18/1978US4084284 Lawn and yard implement
04/11/1978US4083495 Water spray device
03/1978
03/28/1978US4081200 Method and apparatus to remove structural concrete
03/28/1978US4081192 Trash picker
03/14/1978US4078838 Doggie valet
03/07/1978US4077731 Reinforcing wire laying machines and attachments
02/1978
02/07/1978US4071920 Sweeper
01/1978
01/24/1978US4069540 Machine for removing painted stripes from artificial turf
01/17/1978US4068824 Power boom and vacuum hose support
12/1977
12/13/1977US4062085 Suction cleaning apparatus
11/1977
11/15/1977US4058337 Animal litter collection unit
11/01/1977US4056278 Scoop device
10/1977
10/25/1977US4055363 Sanitary device for picking up animal droppings
10/11/1977US4052764 Bag accessory
09/1977
09/20/1977US4048735 Multi-purpose labor-saver wheeled tool
09/20/1977US4048691 Trash sack support
09/13/1977US4047746 Animal waste removing device
08/1977
08/30/1977US4044422 Sweeper pickup hood with air lock
08/23/1977US4043140 Cryogenic beach cleaner
08/23/1977US4042994 Sweeper assembly
08/16/1977US4042269 Sanitary device for removing animal droppings
07/1977
07/26/1977US4037868 Pick up apparatus
07/26/1977US4037867 Sanitary waste collector
07/26/1977US4037284 Sweeper assembly
07/12/1977US4034434 Sweeper dust seal
06/1977
06/28/1977US4032307 Dust control
06/28/1977US4032182 Pet dropping pickup device
04/1977
04/26/1977US4019768 Device for sanitary pickup of ground deposited excrement
04/26/1977US4019219 Trash compactor apparatus
04/12/1977US4017386 Magnetic sweeper
04/12/1977US4017281 Industrial vacuum loader with dust removal means for bag house filtration system
04/12/1977US4017015 Disposable biodegradable environmental animal feces waste scoop and container
03/1977
03/29/1977US4014584 Device for retrieving animal waste
03/15/1977US4012068 Litter tongs
03/15/1977US4012067 Refuse collection device
03/08/1977US4010970 Waste receiver for dogs
03/01/1977US4009501 Street and pedestrian zone cleaning machine
02/1977
02/08/1977US4007026 Compact dust filter system
02/08/1977US4006511 Sweeper with recirculation hood and independent filter system
02/01/1977US4005892 Debris-retrieving cane
01/1977
01/18/1977US4003595 Sanitary waste receiver
1 ... 79 80 81 82 83 84 85 86 87 88 89 90